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Автор - cnfccc

Вычислите : 5 6/13 + (10 2/13 - 23/13 )

Ответ

Автор - elin3
(5*13+6)/13+(10*13+2)/13-(2*13+3)/13=71/13+132/13-29/13=174/13=13 5/13
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