Вопрос школьника по предмету Математика
комната в длину на 30 дм больше чем в ширину какова площадь комнаты если её длина равна 6 м 70 см
Ответ учителя по предмету Математика
Решение:
30дм=300см
6м 70см=670см длинна
670-300=370см ширина
S=a×b=670×370=247900см^2 = 247,9м^2
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