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Q51: <span class="ql-formula" data-value="\frac { 3 x ^
Q66: <span class="ql-formula" data-value="\frac { x ^ {
Q68: <span class="ql-formula" data-value="\frac { \sqrt [ 3
Q106: <span class="ql-formula" data-value="- 2 > 5 x
Q217: <span class="ql-formula" data-value="| 7 - x |
Q295: <span class="ql-formula" data-value="\frac { 4 x +
Q306: <span class="ql-formula" data-value="\frac { x - 2
Q392: (9 + 4) + 7 = (4
Q447: <span class="ql-formula" data-value="\left( x ^ { 2
Q602: <span class="ql-formula" data-value="\frac { 9 + \frac