Question

Помогите решить (-5целых6/7×3/13)×(-4целых1/3)

Answer 1

(-5 6/7 · 3/13) · (-4 1/3) = 5 целых 6/7

1) (-5 6/7) · 3/13 = (-41/7) · 3/13 = (-123/91)

2) (-123/91) · (-4 1/3) = 123/91 · 13/3 = (41·1)/(7·1) = 41/7 = 5 6/7

Пояснения:

(-) · (+) = (-)

(-) · (-) = (+)