Question

ришение (5/6-3/10):(3/10+2/15)

Answer 1

1) 5\6 и 3\10 ноз=30;;;;25\30-9\30=16\30=8\15
2) 3\10 и 2\15 Ноз=30;;;;9\30+4\30=13\30
3) 8\15:13\30=8\15*30\13=8\1*2\13=16\13= 1 целая 3\13

Answer 2

(5/6 - 3/10) : (3/10 + 2/15) =
= (25/30 - 9/30) : ( 9/30 + 4/30) =
= 16/30 : 13/30 =
= 16/13 = 1 целая 3/13