Question

(1/8+3/4)*16
(12 1/2:2 1/2)-6
2:2/3*1 1/2
3/4*5/7+3/4*2/7

Answer 1

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Answer 2

$\frac{1}{8} + \frac{3}{4} = \frac{7}{8} \times \frac{16}{1?} = 14$
$12 \frac{1}{2} \div 2 \frac{1}{2} = \frac{25}{5} \div \frac{5}{2} = \frac{25}{5} \times \frac{2}{5} = \frac{10}{5} = 2$
$2 \div \frac{2}{3} \times 1 \frac{1}{2} = \frac{2}{1} \times \frac{3}{2} = 3 \times \frac{3}{2} = \frac{9}{2}$