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Вопрос по математике:
Как можно разделить на части длиной 15 м и 3м кружева длиной 18м, не пользуясь никакими измерительными приборами? Ответьте пожалуйста буду благодарен плиииииз-
Автор:
dangeloritter
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Ответ:
Пошаговое объяснение:
1)Сначала 18 м сложить так, чтоб получилось три равных части, они будут по: 6м =18:3
2)Одну из частей разделить пополам, она будем :3м=6:2. Отрезать эту половинку в 3 м, которая получилась, при этом останется: 15м=18-3
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