42/70-6/70 = 34/70+2/70
Пошаговое объяснение:
42/70-6/70=(42-6)/70=36/70=18/35
34/70+2/70=(34+2)/70=36/70=18/35
18/35=18/35
(42/70-6/70) = (34/70+2/70)
42/70-6/70 = 34/70+2/70
Пошаговое объяснение:
42/70-6/70=(42-6)/70=36/70=18/35
34/70+2/70=(34+2)/70=36/70=18/35
18/35=18/35
(42/70-6/70) = (34/70+2/70)