<span>5/8*(4/5x-1.6)+0.75*(1/3x+1 1/3)=5-3x</span>
1/2x-1+1/4x+1=5-3x
1/2x+1/4x+3x=5+1-1
3 3/4x=5
x=5*4/15
x=4/3=1 1/3
ответ: 1целая 1/3
1 3 4 6 2
7*7+11-55+0*100
326*67+174*29+326*33+174*71= 326*(67+33)+174*(29+71)=326*100+174*100=
100*(326+174)=100*500=50000
(18х+45у):9=18х:9+45у:9=2х+5у