1)x/2-y/3-1=0
x/5-y/4+1=0
2)x/3-y/2+3=0
x/2+y/5-5=0
3)x/6+y/2-5=0
x/3+y/4-4=0
4)x/5-y/3+0,6=0
x/4+y/6-1=0​

кококо23    1   30.04.2020 11:20    1