Ответ:
910•51:13:17+385=595
1) 910•51=46.410
2) 46.410:13=3.570
3) 3.570:17=210
3) 210+385=595
1) 7х+2х=3,528
9x-3.528=0
x=3.528/9
x=0.392
2) 14х-6х-0,16=5,5
8x-5.66=0
x=5.66/8
x=283/400
3) 5у+10,8=21,42
5y-10.62=0
y=10.62/5
y=2.124
4) 3,17-11х=2,4
0.77-11x=0
x=0.77/11
x=0.07