Question

Найдите значение выражения:
1.(8 5/7-6 5/6:1 5/36) :4 3/4
2.(3 2/5-24/75:2 2/5) :1 1/3+13/20:3 3/12

Answer 1

Пошаговое объяснение:

№1

1) 6 5/6: 1 5/36 = 41/6: 41/36 = 41/6 × 36/41= 1/1 × 6/1 = 6

2) 8 5/7- 6 = 8 5/7- 5 7/7 = 7 12/7- 5 7/7= 2 7/7=3

3) 3: 4 3/4= 3/1 ×4/19 = 12/19

№2

24/75: 2 2/5 = 24/75 × 5/12= 2/15 × 1/1= 2/15

3 2/5- 2/15 = 3 6/15- 2/15 = 3 4/15

3 4/15: 1 1/3 = 49/15 × 3/4 = 49/5 × 1/4 = 49/20

13/20: 3 3/12= 13/20 × 12/39 =1/5 × 3/3 = 3/15

2 9/20 × 3/15 = 49/20 × 3/15= 147/300