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Q12: <span class="ql-formula" data-value="\sum _ { i =
Q20: <span class="ql-formula" data-value="\left\{ \begin{array} { l }
Q26: <span class="ql-formula" data-value="A = \left[ \begin{array} {
Q85: <span class="ql-formula" data-value="\left\{ \begin{aligned}x - y +
Q109: A bakery sells four main items:
Q113: <span class="ql-formula" data-value="- 5 \frac { 2
Q142: Suppose an animal feed to be
Q158: <span class="ql-formula" data-value="f ( x ) =
Q203: If <span class="ql-formula" data-value="f (
Q237: An elliptical riding path is to