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Q54: <span class="ql-formula" data-value="- 14 < \frac {
Q56: <span class="ql-formula" data-value="\frac { 3 } {
Q67: The volume <span class="ql-formula" data-value="\mathrm
Q75: How many liters of a 10% alcohol
Q83: <span class="ql-formula" data-value="\{ 2,9,14,15,22 \} \cap \{
Q101: <span class="ql-formula" data-value="\frac { 4 x -
Q103: <span class="ql-formula" data-value="x ^ { 2 }
Q117: There were 31,000 people at a ball
Q147: f(x)= -1 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6465/.jpg" alt="f(x)= -1
Q188: <span class="ql-formula" data-value="\frac { 4 x -