Question

(2 7/12 +1,75) : 13 + 2,5 : 3 3/4

Answer 1

1) 2 7/12 + 1,75 = 31/12 + 175/100 =31/12+7/4=31/12+21/12= 52/12
2) 52/12 : 13 = 4/12 = 1/3
3) 2,5 : 3 3/4 = 25/10 : 15/4 = 2/3
4) 1/3 + 2/3 = 3/3 = 1

Answer 2

Красавчик огромное спасибо