№1

А) 5 целых 1/13 - 3 целых 6/13 = ............

Б) 7 целых 2/15 - (4целых -3 целых  7/15) + 2целых 12/15 = ...........

№2

Реши уравнение: 7 - (х + 1 целых 3/5) = 2 целых 4/5.

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