Question

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

Answer 1

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