Пошаговое объяснение:
(5 3/5 -1 1/3) ÷ (7 7/12 -2 1/4) × 1,25= (28/5 - 4/3) ÷ (91/12 - 9/4) × 1,25 = (64/15 ÷ 16/3) × 1,25 = 4/5 × 1,25 = 0,8 ×1,25 = 1
Пошаговое объяснение:
(5 3/5 -1 1/3) ÷ (7 7/12 -2 1/4) × 1,25= (28/5 - 4/3) ÷ (91/12 - 9/4) × 1,25 = (64/15 ÷ 16/3) × 1,25 = 4/5 × 1,25 = 0,8 ×1,25 = 1