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Q10: <span class="ql-formula" data-value="- 126 = 9 z"><span
Q25: <span class="ql-formula" data-value="5 x"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mn>5</mn><mi>x</mi></mrow><annotation
Q48: <span class="ql-formula" data-value="- \frac { 4 }
Q75: <span class="ql-formula" data-value="\left( \frac { 5 a
Q83: <span class="ql-formula" data-value="\mathrm { cd } ^
Q86: <span class="ql-formula" data-value="4 ^ { - 3
Q86: <span class="ql-formula" data-value="178 = 12 x +
Q102: <span class="ql-formula" data-value="32 \geq 30"><span class="katex"><span class="katex-mathml"><math
Q143: <span class="ql-formula" data-value="- 2 + 40"><span class="katex"><span
Q159: Mary earns three times as much