Реши их масса одного пакета 4 кг количество 8 штук общая масса масса неизвестна масса одного пакета неизвестно количество 80 штук общая масса 32 кг масса одного пакета 4 кг количество неизвестно общая масса 32 кг как решить давай молча
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30.09.2019 05:10
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2
4*8=32 кг общая масса
Х*80=32
Х=32:80
Х=0,4 кг масса 1 пакета
4х=32
Х=32:4
Х=8 количество пакетов