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Q1: <span class="ql-formula" data-value="\frac { a ^ {
Q27: <span class="ql-formula" data-value="\frac { 8 - 7
Q47: <span class="ql-formula" data-value="4 + \frac { 4
Q99: <span class="ql-formula" data-value="a _ { n }
Q113: <span class="ql-formula" data-value="\begin{array} { l } -
Q158: <span class="ql-formula" data-value="\left( m ^ { 2
Q160: a1 = -3, r = 2;
Q168: A freight train leaves a station traveling
Q177: <span class="ql-formula" data-value="- 0.05 y + 0.13
Q224: <span class="ql-formula" data-value="\frac { 1 } {