ПОМОГИТЕ ПОЖАЛУЙСТА ДАЮ 20 БАЛЛОВ
решите уравнения
d+2/9=1/9+7/9
9 целых 32/35-(5 целых 17/35+y)=1 целая 19/35
(8 целых 5/27-x)-2 целых 25/27=1 целая 25/27
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