Вопрос школьника по предмету Математика
В зале, периметр которого 46 м ширина 8 м, необходимо
покрыть пол квадратными плитками. Сколько потребуется пли-
ток, если площадь каждой плитки 5 дм в квадрате?
Ответ учителя по предмету Математика
Ответ:
возьмем 46 из которого вычитаем и получаем 9 теперь 9 надо отнять 8 и у нас получится 1
теперь возьмем 5 мы должны 46+5 и у нас получится 51 —
51-5=46
ответ :46
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