Question

(2 10 de elu G اما 2 دانت له 5 (2) 1 + 33) : 10 )) (5) 2 داى 3 مال (4) هم أن las 70 ● (9) }/
ДОПОМОЖІТЬ!! даю 25 балов​

Answer 1

Ответ:

Пошаговое объяснение:

Answer 2

Первый пример по действиям:

1)  2 7/10 - 4/5 = 1 17/10 - 8/10 = 1 9/10 = 1,9.

2)  1 9/10 * 2 1/3 = 19/10 * 7/3 = 133/30 = 4 13/30.

3)  5 1/5 - 1 2/5 = 4 6/5 - 1 2/5 = 3 4/5 = 3,8.

4)  3 4/5 : 3/70 = 19/5 : 3/70 = 19/5 * 70/3 = 1330/15 = 266/3 = 88 2/3.

5)  4 13/30 : 88 2/3 = 133/30 : 266/3 = 133/30 * 3/266 = 1/30 * 3/2 =

    = 1/10 * 1/2 = 1/20 = 0,05.

6)  1/20 + 1/8 = 2/40 + 5/40 = 7/40 = 175/1000 = 0,175.

Ответ:  0,175.

________________________________________________________

Второй пример по действиям:

1) 2 3/4 : 1 1/10 = 11/4 : 11/10 = 11/4 * 10/11 = 1/4 * 10/1 = 10/4 = 5/2 = 2 1/2 =

= 2,5.

2) 2 1/2 + 3 1/3 = 2 3/6 + 3 2/6 = 5 5/6.

3)  2/5 * 3 1/3 = 2/5 * 10/3 = 20/15 = 4/3 = 1 1/3.

4)  2 1/2 - 1 1/3 = 2 3/6 - 1 2/6 = 1 1/6.

5) 5 5/6 : 1 1/6 = 35/6 : 7/6 = 35/6 * 6/7 = 5/6 * 6/1 = 30/6 = 5/1 = 5.

6)  5 : 5/7 = 5/1 * 7/5 = 35/5 = 7/1 = 7.

Ответ:  7.