в пакете было 350г сахара.когда в него добавили ещё сахара в нем стало 900г сколько граммов сахара добавили в пакет

2

Ответы и объяснения

2012-10-23T17:46:10+04:00

было-350г

стало-900г

добавили-?г

900-350=550г добавили

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2012-10-23T17:46:49+04:00