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Batii

Ответ:

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Ответ

Ответ дан
KelvinGlane

Пошаговое объяснение:

1 способ:

Составим уравнение:

1. х+2х=840

3х=840

х=280г – в первом пакете;

2х=280*2

2х=560 – в втором пакете.

2 способ:

1. 840:3=280 – первый пакет;

2. 840-280=560 – второй пакет.

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