問題
$1\div\bigg(\dfrac{2}{3}-\dfrac{1}{2}\bigg)\div0.375-2\div\dfrac{2}{15}\times\bigg(1\dfrac{1}{5}-\dfrac{3}{4}\bigg)\times1\dfrac{1}{3}$
解説
$=1\div\dfrac{1}{6}\div\dfrac{3}{8}-2\div\dfrac{2}{15}\times\dfrac{9}{20}\times\dfrac{4}{3}$
$=1\times6\times\dfrac{8}{3}-2\times\dfrac{15}{2}\times\dfrac{9}{20}\times\dfrac{4}{3}$
$=16-9$
$=$$7$
