Question

(6 3/4-3 1/4)÷2 1/2+1 1/4=

Answer 1

Ответ:1}6 3/4-3 1/4=3 2/4

2}2 1/2+1 1/4=3 2/4 3}3 2/4-3 2/4=1  1/4

Пошаговое объяснение:

Answer 2

(6 3/4 - 3 1/4) ÷ 2 1/2 + 1 1/4 = 2 13/20,

1) 6 3/4 - 3 1/4 = 3 2/4 = 3 1/2,

2) 3 1/2 : 2 1/2 = 7/2 : 5/2 = 7/2 * 2/5 = 7/5 = 1 2/5,

3) 1 2/5 + 1 1/4 = 1 8/20 + 1 5/20 = 2 13/20