Автор - nprimsic29

Вычисли (286+14):3+280
400-(64+36):10
240:3*5-399
300-100:25*30

Ответ

Автор - alesyaperova

Ответ:

1)(286 + 14) div 3 + 280 =380  \ 1)286 + 14 = 300 \ 2)300 div 3 = 100 \ 3)100 + 280 = 380

2)400 - (64 + 36) div 10 =  390\ 1)64 + 36 = 100 \ 2)100 div 10 = 10 \ 3)400 - 10 = 390

3)240 div 3 times 5 - 399 =1  \ 1)240 div 3 = 80 \ 2)80 times 5 = 400 \ 3)400 - 399 = 1

4)300 - 100 div 25 times 30 = 180 \ 1)100 div 25 = 4 \ 2)4 times 30 = 120 \ 3)300 - 120 = 180

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