1 1/3х+0,2=1 3/25у-1/2=0,6
1 1/3х+ 0,2= 1 1 1/3х= 1-0,2 1 1/3х= 0,8 х= 8/10 :1 1/3 х= 4/5: 4/3=4/5*3/4= 3/5 х=3/5=0,6 3/25у-1/2=0,6 3/25у=0,6+1/2 3/25у = 6/10 +1/2=3/5+1/2 3/25у=6/10+5/10=1,1 у=1,1:3/25=11/10: 3/25 у= 11/10* 25/3 = 55/6= 9 1/6