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Q39: <span class="ql-formula" data-value="a _ { 1 }
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Q164: <span class="ql-formula" data-value="P = 2 L +
Q184: <span class="ql-formula" data-value="a _ { n }
Q255: <span class="ql-formula" data-value="1.3374 \times 10 ^ {
Q257: The sum of <span class="ql-formula"
Q270: <span class="ql-formula" data-value="( 4 x - 1
Q311: -5(z - 5)<br>A) -5z + 5<br>B) -5z