Question

Помогите решить пример.
$72 \times ( \frac{19}{24} - \frac{7}{12} + \frac{3}{8} )$
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Answer 1

$\displaystyle 72*(\frac{19}{24}-\frac{7}{12}+\frac{3}{8})=72*\frac{7}{12}=6*7=42$