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Ответ

Ответ дан
sbelevp1mm9b

Ответ:

В первой коробке: 43, во второй 56, в третьей 79

Пошаговое объяснение:

1)  x1 + x2 + x3 = 178

2) x1 + x2 = 99

3) x2+ x3 = 135   ==>   x1 = 178 - 135 = 43   ==> x2 = 99 - 43 = 56

4) x3 = 178 - (56+43) = 79

Ответ

Ответ дан
jekadva

Ответ:


Пошаговое объяснение:

178 - 99 = 79скрепок в третьей коробке

178 - 135 = 43скрепки в первой коробке

99 - 43 = 56скрепок во второй коробке

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