Question

Найдите значение выражения 7 1 3 2-( 6- - 7- ) : - 8 3 4

Answer 1

$2- ( 6 \frac{7}{8} - 7 \frac{1}{3} ) : \frac{3}{4} =2 \frac{11}{18} \\ 1) 6 \frac{21}{24} - 7 \frac{8}{24} = \frac{165}{24} - \frac{176}{24} = \frac{-11}{24} \\ 2) \frac{-11}{24} : \frac{3}{4} = - \frac{11 *4 }{24 * 3} = - \frac{11}{18} \\ 3)2-(- \frac{11}{18} ) = 2 + \frac{11}{18} = 2 \frac{11}{18}$