1)120
2)160
3)300
4)600
а + 180 = 300
300 - 180 = 120
а = 120
300 - y = 140
300 - 140 = 160
y = 160
c-300 = 0
300 - 0 = 300
c = 300
c - 300 = 300
300 + 300 = 600
c = 600
1)120
2)160
3)300
4)600
а + 180 = 300
300 - 180 = 120
а = 120
300 - y = 140
300 - 140 = 160
y = 160
c-300 = 0
300 - 0 = 300
c = 300
c - 300 = 300
300 + 300 = 600
c = 600