Пошаговое объяснение:
(16 1/4-4 1/8)×4+3/10:2 1/2
16 1/4-4 1/8 = 65/4 - 33/8 = (130-33)/8 = 97/8
97/8 * 4 = 4 * 97/8 = 97/2
3/10÷2 1/2 = 3/10 ÷ 5/2 = 3/10 * 2/5 = 3/25
97/2 + 3/25 = (2425+6)/50 = 2431/50 = 48.62
(16 1/4-4 1/8)×4+3/10:2 1/2 = 48 31/50
Пошаговое объяснение:
(16 1/4-4 1/8)×4+3/10:2 1/2
16 1/4-4 1/8 = 65/4 - 33/8 = (130-33)/8 = 97/8
97/8 * 4 = 4 * 97/8 = 97/2
3/10÷2 1/2 = 3/10 ÷ 5/2 = 3/10 * 2/5 = 3/25
97/2 + 3/25 = (2425+6)/50 = 2431/50 = 48.62
(16 1/4-4 1/8)×4+3/10:2 1/2 = 48 31/50