Предмет: Математика, автор: arsenstaff9

Задумали число, которое на 16 больше, чем пятая часть этого задуманного числа. Найди задуманное число.

Ответы

Автор ответа: 99tasha

х - задуманное число

х-1/5х=16

(5х-х)/5=16

4х=16*5

4х=80

х=80:4

х=20 - задуманное число

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