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Q12: <span class="ql-formula" data-value="2 \frac { 19 }
Q50: <span class="ql-formula" data-value="1101000010_{\text {two }}"><span class="katex"><span class="katex-mathml"><math
Q61: Show that the number 132 is not
Q93: The solution of the equation 7(4s -
Q115: <span class="ql-formula" data-value="\left( \frac { 1 }
Q151: A tank contains <span class="ql-formula"
Q198: (6 + 7)- (-9 + 13)<br>A)-5<br>B)-17<br>C)9<br>D)-9
Q205: 85<br>A)<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5007/.jpg" alt="85 A) B)
Q234: (-5)(-3)(-4)<br>A)-60<br>B)65<br>C)-65<br>D)60
Q355: <span class="ql-formula" data-value="4 \frac { 4 }