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Q1: <span class="ql-formula" data-value="7 x = 28"><span class="katex-display"><span
Q17: <span class="ql-formula" data-value="x + y = -
Q20: <span class="ql-formula" data-value="u ^ { 2 }
Q23: Two angles have a sum of
Q29: <span class="ql-formula" data-value="y = x - 3"><span
Q63: The surface area a of a
Q65: <span class="ql-formula" data-value="\frac { 1 } {
Q108: <span class="ql-formula" data-value="6 x ^ { 3
Q110: <span class="ql-formula" data-value="- 5 \left( x ^
Q112: <span class="ql-formula" data-value="\frac { c - 7