Предмет: Математика, автор: Е2282

Сумма двух чисел равна 52,5 причём одно число составляет 0,75 другого. Найдите эти числа

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Автор ответа: Osha1870

0

х+0,75х=52,5
1,75х=52,5
х=30
значит второе чило = 30*0,75=22,5

Автор ответа: Osha1870

0

число"

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