Question

(15-4 1/8) × (3 14/15 - 2 3/5) Нужна помощь срочно

Answer 1

Ответ:

(15-4 1/8)·( 3 14/15 - 2 3/5) = 14,5

1)15-4 1/8 = 14 8/8 - 4 1/8 = 10 7/8

2) 3 14/15 - 2 3/5 = 3 14/15 - 2 9/15 = 1 5/15 = 1 1/3

3) 10 7/8 · 1 1/3 = 87/8 · 4/3 = 87·4 / 8·3 = 29/2 = 14, 1/2 = 14,5