Question

Найдите значение выражения

(3/4 + 2 1/5)*16

Answer 1

(3/4+21/5)*16=(0.75+4.2)*16=4.95*16=79.2

Answer 2

Там 2 1/5, а не 21/5

Answer 3

(3/4 + 2 1/5)•16= (15/20+2 4/20)•16= 39/20 *16= 39/5•4= 156/5= 31 1/5= 31,2