Предмет: Математика, автор: oksoksi2012

Как правильно решить три задания？

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Ответы

Автор ответа: kristinan3000

Ответ:

3. 5 га; 27 га; 9 га; 64 га

Пошаговое объяснение:

1 га=10000 кв.метров

Автор ответа: lizakhomytova2131

Ответ:

Из двух пунктов на расстоянии 560 км на встречу друг другу выехали две машины и встретились через 4 часа. Одна ехала со скоростью 56км ч с какой скоростью двигалась вторая машина?

65•4=260

560-260=300

300:4=75 км ч

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lizakhomytova2131: Чем могла тем помогла

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