Предмет: Математика, автор: pistrenka995

Помогите решить, плиз.

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Ответы

Автор ответа: fovfabomi
1

Ответ:

2 коржа

Пошаговое объяснение:

площадь одного коржа 20*20=400

значит в одном корже 400/20=20 участков площадью 20 см^2

20*15=300 грамм на один корж

значит тебе хватит на 2 коржа и останется 75 грамм

Автор ответа: 0n5
1

Ответ:

45 участков.

Пошаговое объяснение:

20*20= 400 кв. см. - площадь 1 коржа.

400/20=20 раз содержится по 15 грамм в 1 корже.

675:(20*15)=2,25.

20*2,25=45 участков.

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