Вправи 1001 - 1100 » 1082

1) 29/29 - (х - 5/19) = 14/19 х - 5/19 = 29/19 - 14/19 х - 5/19 = 15/19 х = 15/19 + 5/19 х = 20/19 х = 11/19 2) (27/39 - х) + 15/39 = 17/39 27/39 - х = 17/39 - 15/39 27/39 - х = 2/39 х = 27/39 - 2/39 х = 25/39

Вправи 1001 - 1100