// Numbas version: finer_feedback_settings
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\\simplify[all,!collectNumbers,!simplifyFractions]{{a1}+ {a2}{a3}+{a4}/{a5}}&amp;=\\simplify[all,!collectNumbers,!simplifyFractions]{{a1}+ {a2*a3}+{a4/a5}}\\\\&amp;=\\var{ans1}\\end{align}\\]</p>\n<p>b)</p>\n<p>First do the calculations &nbsp;$\\displaystyle \\simplify[all,!collectNumbers,!simplifyFractions]{{b1}/{b2}={b1/b2}} \\text{ and } &nbsp;\\simplify[all,!collectNumbers]{{b3}({b4}+{b5})={b3}{b4+b5}={b3*(b4+b5)}}$</p>\n<p>and then we get</p>\n<p>\\[\\begin{align} \\simplify[all,!collectNumbers,!simplifyFractions]{{b1}/{b2}+{b3}*({b4}+{b5}){b6}+{b7}}&amp;=\\simplify[all,!collectNumbers]{{b1/b2}+{b3*(b4+b5)}+{b7}}\\\\&amp;=\\var{ans2}\\end{align}\\]</p>\n<p>c)</p>\n<p>First do the calculations &nbsp;$\\displaystyle \\simplify[all,!collectNumbers,!simplifyFractions]{({c4}+{c5})/{c6}={c4+c5}/{c6}={(c4+c5)/c6}} \\text{ and } &nbsp;\\simplify[all,!collectNumbers]{{c1}({c2}+{c3})={c1}{c2+c3}={c1*(c2+c3)}}$</p>\n<p>and then we get</p>\n<p>\\[\\begin{align} \\simplify[all,!collectNumbers,!simplifyFractions]{{c1}*({c2}+{c3})+({c4}+{c5})/{c6}}&amp;=\\simplify[all,!collectNumbers]{{c1*(c2+c3)}+{(c4+c5)/c6}}\\\\&amp;=\\var{ans3}\\end{align}\\]</p>\n<p></p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {"a1": {"name": "a1", "group": "Ungrouped variables", "definition": "random(-50..50 except 0)", "description": "", "templateType": "anything", "can_override": false}, "ans1": {"name": "ans1", "group": "Ungrouped variables", "definition": "a1+a2*a3+a4/a5", "description": "", "templateType": "anything", "can_override": false}, "ans2": {"name": "ans2", "group": "Ungrouped variables", "definition": "b1/b2+b3*(b4+b5)*b6+b7", "description": "", "templateType": "anything", "can_override": false}, "ans3": {"name": "ans3", "group": "Ungrouped variables", "definition": "c1*(c2+c3)+(c4+c5)/c6", "description": "", "templateType": "anything", "can_override": 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