// Numbas version: exam_results_page_options {"name": "Numbastest uke 33: Mengder", "metadata": {"description": "", "licence": "None specified"}, "duration": 0, "percentPass": 0, "showQuestionGroupNames": false, "shuffleQuestionGroups": false, "showstudentname": true, "question_groups": [{"name": "Group", "pickingStrategy": "all-ordered", "pickQuestions": 1, "questionNames": ["", "", "", "", "", "", "", "", "", ""], "variable_overrides": [[], [], [], [], [], [], [], [], [], []], "questions": [{"name": "3 - Elementer og mengder", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "
La $A=\\{\\var{a},\\var{b},\\var{c}\\}$ og $B=\\{\\var{a},\\var{c}\\}$.
", "advice": "Svarene står ovenfor, men la oss raskt forklare symbolene. $\\in$ betyr ‹element›, og $\\var{a}\\in B$ spør enkelt og greit om $\\var{a}$ er et element i $B$. Med andre ord om $\\var{a}$ er inneholdt i $B$. Symbolet $\\subseteq$ minner om krokodillemunnen fra barneskolen, og betyr delmengde eller undermengde. $B\\subseteq A$ spør om alle elementene i $A$ er inneholdt i $B$,dersom dette er sant er $A$ en undermengde av $B$.
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", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["$\\var{a}\\in B$", "$0\\in A$", "$A\\subseteq B$", "$\\var{b},\\var{c}\\in A$", "$B\\subseteq A$", "$10\\notin A$"], "matrix": ["1", 0, 0, "1", "1", "1"], "distractors": ["", "", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "Union og snitt av diskrete mengder", "extensions": [], "custom_part_types": [], "resources": [["question-resources/RcupS.PNG", "/srv/numbas/media/question-resources/RcupS.PNG"], ["question-resources/RcapS.PNG", "/srv/numbas/media/question-resources/RcapS.PNG"], ["question-resources/RminusS.PNG", "/srv/numbas/media/question-resources/RminusS.PNG"], ["question-resources/SminusR.PNG", "/srv/numbas/media/question-resources/SminusR.PNG"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "La $R=\\{\\var{a},\\var{b},\\var{c},\\var{d}\\}$ og $S=\\{\\var{b},\\var{c},\\var{d},\\var{f}\\}$.
", "advice": "Oppgave a) $R\\cap S$: Her leses symbolet $\\cap$ som snitt, det er altså snakk bare det som ligger i begge mengdene. Dersom noe ligger i bare en av mengdene skal det altså ikke tas med.
\n$R=\\{\\var{a},\\var{b},\\var{c},\\var{d}\\}$
\n$S=\\{\\var{b},\\var{c},\\var{d},\\var{f}\\}$
\n$R\\cap S=\\{\\var{b},\\var{c}\\}$
\n\n
Oppgave b) $R\\cup S$:Husk at du kan tenke på $\\cup$ som addisjon. Vi ønsker å legge sammen alle elementene i $R$ og $S$. NB:husk at i en mengde er alle elementene unike så vi skriver ikke ett element mer enn èn gang.
\n$R=\\{\\var{a},\\var{b},\\var{c},\\var{d}\\}$
\n$S=\\{\\var{b},\\var{c},\\var{d},\\var{f}\\}$
\n$R\\cup S=\\{\\var{a},\\var{b},\\var{c},\\var{d},\\var{f}\\}$
\n\n
Oppgave c) $R\\setminus S$: Her leses $\\setminus$ som komplimentet til. Dette kan en litt feilaktig tenke på som subtraksjon eller minus. Vi ønsker med andre ord alt som ligger i $R$ men ikke i $S$:
\n$R=\\{\\var{a},\\var{b},\\var{c},\\var{d}\\}$
\n$S=\\{\\var{b},\\var{c},\\var{d},\\var{f}\\}$
\n$R\\setminus S=\\{\\var{a}\\}$
\n\n
Oppgave d) $S\\setminus R$: Her leses $\\setminus$ som komplimentet til. Dette kan en litt feilaktig tenke på som subtraksjon eller minus. Vi ønsker med andre ord alt som ligger i $S$ men ikke i $R$:
\n$R=\\{\\var{a},\\var{b},\\var{c},\\var{d}\\}$
\n$S=\\{\\var{b},\\var{c},\\var{d},\\var{f}\\}$
\n$S\\setminus R=\\{\\var{f}\\}$
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Finn $R\\cap S=\\{$[[0]],[[1]],[[2]]$\\}$
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", "gaps": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{b}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{c}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{d}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{f}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Finn $R \\setminus S=\\{$[[0]]$\\}$
", "gaps": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Finn $S\\setminus R=\\{$[[0]]$\\}$
", "gaps": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{f}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "Mengder p\u00e5 listeform", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "Gitt mengden $M=\\{\\var{a},\\var{a+1},\\var{a+2},\\var{a+3},\\var{a+4},\\var{a+5},\\var{a+6}\\}$.
\nSkriv følgende mengder på listeform:
", "advice": "Oppgave a) Ønsker å skrive mengden $A=\\{x\\in M| x\\neq\\var{a+1}, x\\neq\\var{a+4}\\}$ på listeform. Notasjonen kan og leses slik: Ønsker alle elementer i $M$ slik at elementeneer ulik $\\var{a+1}$og $\\var{a+4}$. Hvor tegnet $|$ leses som ‹slik at›. Dette er selvsagt mengden $A=\\{\\var{a},\\var{a+2},\\var{a+3},\\var{a+5},\\var{a+6}\\}$.
\nOppgave b) Ønsker å skrive mengden $B=\\{x+7|x\\in M\\}$ på listeform. Her kan vi tenke oss at vi ønsker å gjøre $x+7$ gitt at $x$ ligger i $M$. Altså må vi taalle verdiene i mengden $M$ og legge til 7: $B=\\{\\var{a+7},\\var{a+8},\\var{a+9},\\var{a+10},\\var{a+11},\\var{a+12},\\var{a+13}\\}$.
", "rulesets": {}, "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "random(1 .. 6#1)", "description": "", "templateType": "randrange"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "$A=\\{x\\in M| x\\neq\\var{a+1}, x\\neq\\var{a+4}\\}$
\n$A=\\{$[[0]],[[1]],[[2]],[[3]],[[4]]$\\}$
\n", "gaps": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a+2}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a+3}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a+5}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{a+6}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "$B=\\{x+7|x\\in M\\}$
\n$B=\\{$[[0]],[[1]],[[2]],[[3]],[[4]],[[5]],[[6]]$\\}$
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"singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": []}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "Intervall notasjon (a,b)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}, {"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "Simple questions on interval notation. If you are not randomising the order of your questions please turn on randomise choices in these questions.
", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "Hvilke av følgende beskriver intervallet $(\\var{a},\\var{b})$?
", "advice": "Åpen (runde)
\nDe åpne (runde) parentesene i $(\\var{a},\\var{b})$ betyr at disse endepunktene ikke er inkludert i intervallet (men alle reelle tall mellom dem er inkludert). Dette er kjent som det åpne intervallet $(\\var{a},\\var{b})$.
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", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a", "b", "delta"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": "1", "showCellAnswerState": true, "choices": ["Alle reelle tall mellom $\\var{a}$ og $\\var{b}$ inkludert $\\var{a}$ og $\\var{b}$.
", "Alle reelle tall mellom $\\var{a}$ og $\\var{b}$ ekskludert $\\var{a}$ og $\\var{b}$.
", "Alle reelle tall mellom $\\var{a}$ og $\\var{b}$ med $\\var{a}$ men uten $\\var{b}$.
", "Alle reelle tall mellom $\\var{a}$ og $\\var{b}$ med $\\var{b}$ men uten $\\var{a}$.
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", "advice": "", "rulesets": {}, "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "random(-2 .. 1#1)", "description": "", "templateType": "randrange"}, "b": {"name": "b", "group": "Ungrouped variables", "definition": "random(2 .. 5#1)", "description": "", "templateType": "randrange"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a", "b"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": false, "shuffleAnswers": false, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["$A=\\{x\\in\\mathbb{R}|\\var{a}\\leq x<\\var{b}\\}$", "$B=\\{x\\in\\mathbb{R}|\\var{a}< x\\leq\\var{b}\\}$", "$C=\\{x\\in\\mathbb{R}| x\\leq\\var{b}\\}$", "$D=\\{x\\in\\mathbb{R}|\\var{a}< x\\}$"], "matrix": [[0, "1", 0, 0], [0, 0, "1", 0], [0, 0, 0, "1"], ["1", 0, 0, 0]], "layout": {"type": "all", "expression": ""}, "answers": ["$E=(\\var{a},\\infty)$", "$F=[\\var{a},\\var{b})$", "$G=(\\var{a},\\var{b}]$", "$H=(-\\infty,\\var{b}]$"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "4 - Intervaller og paranteser ", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "Skriv følgende mengder som intervaller: (bruk -infty for å skrive inn $-\\infty$ og infty for å skrive inn $\\infty$)
", "advice": "1) $\\{x\\in\\mathbb{R}|x\\leq\\var{b}\\}$ . Her ønsker vi enkelt og greit alle reelle tall mindre eller lik $\\var{b}$: $x\\in(-\\infty,\\var{b}]$, hvor ( ble brukt for å ekskludere $-\\infty$ mens ] ble brukt for å inkludere $\\var{b}$.
\n2) Mengden $\\{x\\in\\mathbb{R}|\\var{a}\\leq x\\leq\\var{b}\\}$ kan leses som at vi ønsker alle relle tall som er større eller lik $\\var{a}$ og mindre eller lik $\\var{b}$: $x\\in[\\var{a},\\var{b}]$, hvor [ ble brukt for å vise at dette er ett lukket intervall; altså ett intervall der endepunktet er inkludert.
", "rulesets": {}, "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "random(-3 .. 1#1)", "description": "", "templateType": "randrange"}, "b": {"name": "b", "group": "Ungrouped variables", "definition": "random(2 .. 10#1)", "description": "", "templateType": "randrange"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a", "b"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "\n | \n sett inn \n( eller [ \n | \n\n nedre \ngrense \n | \n\n øvre \ngrense \n | \n\n sett inn \n) eller ] \n | \n
$\\{x\\in\\mathbb{R}|x\\leq\\var{b}\\}$ | \n[[0]] | \n[[1]] | \n[[2]] | \n[[3]] | \n
$\\{x\\in\\mathbb{R}|\\var{a}\\leq x\\leq\\var{b}\\}$ | \n[[4]] | \n[[5]] | \n[[6]] | \n[[7]] | \n
I den loddrette kolonnen er det gitt union eller snitt av noen ulike mengder (hovedsakelig intervaller). I den vannrette linjen er det oppgitt enklere mengder (i de fleste tilfeller uttrykt som intervaller).
\nFor hver linje i den loddrette listen skal dere velge hvilket resultat dere mener er riktig.
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", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": false, "shuffleAnswers": false, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["Reelle tall", "Naturlige tall", "Heltall", "Rasjonalle tall", "Irrasjonalle tall"], "matrix": [[0, 0, 0, 0, "1"], ["1", 0, 0, 0, 0], [0, "1", 0, 0, 0], [0, 0, "1", 0, 0], [0, 0, 0, "1", 0]], "layout": {"type": "all", "expression": ""}, "answers": ["$\\mathbb{N}$", "$\\mathbb{Z}$", "$\\mathbb{Q}$", "$\\mathbb{R}\\setminus\\mathbb{Q}$", "$\\mathbb{R}$"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "2 - Symboler", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "All rights reserved"}, "statement": "Velg en riktig operatør eller forbindelse for hver påstand
", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": false, "shuffleAnswers": false, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["$(A\\subset B)\\, \\mathrm{og}\\, (B\\subset C) \\implies A\\ldots C$", "$\\sqrt{2}\\ldots\\mathbb{Z}$", "$\\dfrac{3}{2}\\ldots\\mathbb{Q}$", "$\\left\\{ \\dfrac{3}{2} \\right\\}\\ldots \\mathbb{Q}$", "$[0,1]\\ldots\\mathbb{Z}$", "$[0,1]\\ldots\\mathbb{R}$", "$\\{0,1\\}\\ldots[0,1]$", "$1\\ldots[0,1]$", "$\\mathbb{Q}\\ldots \\mathbb{R}$", "$(\\mathbb{R}\\setminus\\mathbb{Q})\\cap\\mathbb{Z}=\\ldots$"], "matrix": [["1", 0, 0, 0, 0], [0, 0, "1", 0, 0], ["0", "1", 0, 0, 0], ["1", 0, 0, "0", "0"], [0, 0, 0, "1", 0], ["1", 0, 0, 0, 0], ["1", 0, 0, 0, "0"], ["0", "1", 0, 0, 0], ["1", 0, 0, 0, 0], ["0", 0, 0, "0", "1"]], "layout": {"type": "all", "expression": ""}, "answers": ["$\\subset$", "$\\in$", "$\\notin$", "$\\nsubseteq$", "$\\emptyset$"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "8 - Logiske utsagn - forkortet", "extensions": [], "custom_part_types": [], "resources": [["question-resources/rectangle.PNG", "/srv/numbas/media/question-resources/rectangle.PNG"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}], "tags": [], "metadata": {"description": "", "licence": "All rights reserved"}, "statement": "La $a$, $b$, $x$ og $y$ stå for vilkårlige reelle tall.
", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "Avgjør hvilke av implikasjonene som gjelder
", "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": false, "shuffleAnswers": false, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["$x+a>b$ $x>b-a$