Question

ПОМОГИТЕ решить пожалуста​

Answer 1

1.

$\frac{221}{12} - 10 - \frac{17}{108} = \frac{1989 - 1080 - 17}{108} = \frac{892}{108}$

2.

$( \frac{27}{4} - \frac{41}{8} \times \frac{32}{41} ) \times \frac{5}{11} =( \frac{27}{4} - 4) \times \frac{5}{11} = \frac{11}{4} \times \frac{5}{11} = \frac{5}{4} = 1 \times \frac{1}{4} = 1.25$

Answer 2

Ответ:

Пошаговое объяснение:

1 пример:

1) 7/12 * 1. 19/21 =

7/12 * 40/21 = 1/3 * 10/3 = 10/9 = 1. 1/9

2) 17/72 * 2/3 = 17/36 * 1/3 = 17/108

3) 18. 5/12 - 1. 1/9 - 17/108 =

18. 45/108 - 1. 12/108 - 17/108 =

6. 33/108 - 17/108 =

6. 16/108 = 6. 4/27

Ответ: 6. 4/27

2 пример:

1) 5. 1/8 : 1. 9/32 =

41/8 : 41/32 = 41/8 * 32/41 = 32/8 = 4

2) 6. 3/4 - 4 = 2. 3/4

3) 2. 3/4 * 5/11 = 11/4 * 5/11 = 5/4 = 1. 1/4

Ответ: 1. 1/4