Предмет: Математика, автор: a43664833

запишите периодичиску десятичную дробь в виде обыкновенных а) 0,(7) d) 2,4(3)

Ответы

Автор ответа: iramazurk

1

Пошаговое объяснение:

0,(7) = (7-0)/9 = 7/9

2,4(3) = 2 (43-4)/90 = 2 39/90 = 2 13/30

a43664833: спасибо большое

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