Question

Помогите прошу срочно надо пожайлуста 55 балов

Answer 1

Пошаговое объяснение:

№1

1) 1,02 : 1/50 = 102/100 * 50/1 = 102/2 * 1/1 = 102/2 = 51

2) 7,26 : 11/70 = 726/100 * 70/11 = 66/10 * 7/1 = 462/10 = 46,2

3) 51 - 46,2 = 4,8

4) 4,8 : 3 1/5 = 4,8 : 3,2 = 1,5

5) 0,4 : 0,36 = 4/10 : 36/100 = 4/10 * 100/36 = 1/1 * 10/9 = 10/9 = 1 1/9

6) 1,5 + 1 1/9 = 1 5/10 + 1 1/9 = 1 45/90 + 1 10/90 = 2 55/90 = 2 11/18

№2

1) 1 1/12 + 1 1/4 = 1 1/12 + 1 3/12 = 2 4/12 = 2 1/3

2) 2 1/3 * 1 19/56 = 7/3 * 75/56 = 1/1 * 25/8 = 25/8 = 3 1/8

3) 2 5/8 * 1 3/7 = 21/8 * 10/7 = 3/4 * 5/1 = 15/4

4) 15/4 * 1 1/9 = 15/4 * 10/9 = 5/2 * 5/3 = 25/6 = 4 1/6

5) 3 1/8 + 4 1/6 = 3 3/24 + 4 4/24 = 7 7/24