Question

!SOS! Найдите значение выражения

Answer 1

1) 9/5 - 3/4 = 36/20 - 15/20 = 21/20
2) 42/1 : 21/20 = 42/1 * 20/21 = 2*20 = 40

Answer 2

1 4/5 - 3/4= 1 1/20
42 : 1 1/20 = 40