Question

Упростите выражение:

42х:7+(65х+39х):13

65у:5+(171у-95у):19 

Answer 1

42x:7+(65x+39x):13= 6x+104x:13=6x+8x=14x

65y:5+(171y-95y):19=13y+76y:19=13y+4y=17y

Answer 2

42х:7+(65х+39х):13 = 6x+5x+3x = 14x

 

65у:5+(171у-95у):19 = 13y+9y - 5y = 17y