Question

решите по действиям плз​

Answer 1

Ответ:

Пошаговое объяснение:

1) 7/15 + 14/45 = 21/45+14/45 = 35/45 = 7/9

2) 7/9 + 2/9 = 9/9 = 1

3) 1 * 10 1/3 = 10 1/3

4) 2 2/3 - 1,75 = 2 2/3 - 1 3/4 = 2 8/12 - 1 9/12 = 11/12

5) 1 1/11 * 11/12 = 12/11 * 11/12 = 1

6) 10 1/3 - 1 = 9 1/3

7) 3/7 - 0,25 = 3/7 - 1/4 = 12/28 - 7/28 = 5/28

8) 5/28 : 3/28 = 5/28 * 28/3 = 5/3 = 1 2/3

9) 1 2/3 - 1 = 2/3

10) 9 1/3 : 2/3 = 28/3 * 3/2 = 14

ответ: 14

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1) 111 - 108 = 3

2) 288:3 = 96

3) 144 - 96 = 48

4) 48 * 7 = 336

5) 336 : 4 = 84

6) 84 + 16 = 100

ответ: x = 100