Question

лень решать, помогите пожалуйста. 15 балллов.​

Answer 1

11 7/12 - (3 - 1 7/12): 7/16 + 3/14 = 8 11/21

1) 3 - 1 7/12 = 2 12/12 - 1 7/12 = 1 5/12

2) 1 5/12 : 7/16 = 17/12:7 /16 = 17/12*16/7 = 68/ 21 = 3 5/21

3) 11 7/12- 3 5/21 = 11 49/84 - 3 20/84 = 8 29/84

4)8 29/84 + 3/14 = 8 26/84 + 18/84 = 8 44/84 = 8 11/ 21

Ответ: 8 11/21