Question

лвлвдвзцлвщуоазвлвзвдаж​

Answer 1

Ответ: 1.

1) 684 - х = 103

х = 684 - 103

х = 581

2) х - 85 = 4 • 25

х - 85 = 100

х = 100 + 85

х = 185

2.

(2610:45-14)•(47+78)= 5500

-2610| 45 44

 225 | 58 - 14 = 44 • 125

_____ _____

 - 360 220

 360 88

 ____ 44

 0 _____

47+78 = 125 5500