Q111: Simplify .<br>- <span class="ql-formula" data-value="82-2 \cdot
Q112: During a drought, the water level in
Q113: Find the absolute value.<br>- <span class="ql-formula"
Q114: <span class="ql-formula" data-value="5-|4-3 \cdot 5|+(-5)^{2} \div 5^{2}"><span
Q115: Subtract.<br>- <span class="ql-formula" data-value="-13-(-13)"><span class="katex"><span class="katex-mathml"><math
Q117: Subtract.<br>- <span class="ql-formula" data-value="-16-(-8)"><span class="katex"><span class="katex-mathml"><math
Q118: Simplify .<br>- <span class="ql-formula" data-value="78-3 \cdot
Q119: Simplify the given expression.<br>- <span class="ql-formula"
Q120: Multiply<br>- <span class="ql-formula" data-value="-12 \cdot 12"><span
Q121: Divide, if possible.<br>- <span class="ql-formula" data-value="-26