// Numbas version: finer_feedback_settings
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Rules</em></p>\n<p>$(+) \\times (+) = (+)$</p>\n<p>$(+) \\times (-) = (-)$</p>\n<p>$(-) \\times (+) = (-)$</p>\n<p>$(-)&nbsp;\\times (-) = (+)$</p>\n<p></p>\n<p>Remember the BODMAS rule</p>\n<p><img width=\"237\" height=\"190\" src=\"resources/question-resources/bodmas.png\"/></p>\n<p></p>", "variables": {"Ans1": {"group": "Ungrouped variables", "description": "", "definition": "{a1}*{a2} - {a3} * {a4}", "name": "Ans1", "templateType": "anything"}, "b5": {"group": "Ungrouped variables", "description": "", "definition": "pos()", "name": "b5", "templateType": "anything"}, "Ans4": {"group": "Ungrouped variables", "description": "", "definition": "{d1}^3 - {d2}^2 + {d3}^2", "name": "Ans4", "templateType": "anything"}, "D2": {"group": "Ungrouped variables", "description": "", "definition": "neg()", "name": "D2", "templateType": "anything"}, "a4": {"group": "Ungrouped variables", "description": "", "definition": "pos()", "name": "a4", "templateType": "anything"}, "a3": {"group": "Ungrouped variables", "description": "", "definition": "pos()", "name": "a3", "templateType": "anything"}, "c4": {"group": "Ungrouped variables", "description": "", "definition": "pos()", "name": "c4", "templateType": "anything"}, "c3": {"group": "Ungrouped variables", "description": "", "definition": "pos()", "name": "c3", "templateType": "anything"}, "Ans3": {"group": "Ungrouped variables", "description": "", "definition": "({c1} - 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(\\var{d2})^2 + (\\var{d3})^2$</p>\n<p>[[0]]</p>", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans4}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans4}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}, {"marks": 0, "customMarkingAlgorithm": "", "prompt": "<p>$(\\var{e1})^2 - (\\var{e2})^3&nbsp;- (\\var{e3})^3$</p>\n<p>[[0]]</p>", "showFeedbackIcon": true, "showCorrectAnswer": true, "gaps": [{"marks": 1, "customMarkingAlgorithm": "", "mustBeReducedPC": 0, "unitTests": [], "minValue": "{ans5}", "correctAnswerStyle": "plain", "showFeedbackIcon": true, "showCorrectAnswer": true, "correctAnswerFraction": false, "notationStyles": ["plain", "en", "si-en"], "mustBeReduced": false, "extendBaseMarkingAlgorithm": true, "maxValue": "{ans5}", "variableReplacementStrategy": "originalfirst", "type": "numberentry", "allowFractions": false, "scripts": {}, "variableReplacements": []}], "extendBaseMarkingAlgorithm": true, "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "unitTests": [], "scripts": {}, "variableReplacements": []}], "preamble": {"js": "", "css": ""}, "advice": "<p><em>N.B. Rules</em></p>\n<p>$(+) \\times (+) = (+)$</p>\n<p>$(+) \\times (-) = (-)$</p>\n<p>$(-) \\times (+) = (-)$</p>\n<p>$(-)&nbsp;\\times (-) = (+)$</p>\n<p></p>\n<p>$(-(-a)) = (a)$&nbsp; e.g &nbsp;$(-(-5)) = 5$</p>\n<p>$(+(-a))$ or $(-(+a)) = (-a)$&nbsp; e.g &nbsp;$(+(-5)) = -5$ or $(-(+5)) = -5$</p>\n<p></p>\n<p>If both numbers are negative, keep the minus sign and add the numbers e.g</p>\n<p>$(-9)&nbsp;+&nbsp;(-4)= -13$</p>\n<p>If the numbers have different signs, keep the sign of the bigger number abd subtract the smaller number from it e.g</p>\n<p>$-15&nbsp;+&nbsp;&nbsp;20 = 5$&nbsp; or&nbsp; $20&nbsp;- 15&nbsp;= 5$</p>\n<p></p>\n<p></p>", "ungrouped_variables": ["A1", "a2", "Ans1", "b1", "B2", "Ans2", "C1", "C2", "Ans3", "D1", "D2", "Ans4", "E1", "E2", "Ans5", "a3", "a4", "b3", "b4", "b5", "c3", "c4", "c5", "d3", "e3", "b111"], "rulesets": {}, "name": "Simon's copy of Q3 Arithmetic", "metadata": {"description": "<p>rebelmaths</p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "contributors": [{"name": "TEAME CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/591/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}]}]}], "contributors": [{"name": "TEAME CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/591/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}]}