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Q6: <span class="ql-formula" data-value="\frac { ( x -
Q12: <span class="ql-formula" data-value="\begin{array} { r } x
Q28: <span class="ql-formula" data-value="( y - 4 )
Q75: <span class="ql-formula" data-value="\begin{array} { l } 4
Q75: <span class="ql-formula" data-value="8 ( x - 10
Q104: <span class="ql-formula" data-value="y ^ { 2 }
Q143: <span class="ql-formula" data-value="\ln \sqrt [ 10 ]
Q171: <span class="ql-formula" data-value="\log _ { 2 }
Q177: <span class="ql-formula" data-value="\frac { x } {
Q287: Three trains one eastbound, one westbound,