Răspunsuri

2014-11-01T14:19:51+02:00
4a=16,a=4
b-a=24,b=24+a=24+4=28
b-2c=22,28-2c=22,6=2c,c=3
2014-11-01T14:20:04+02:00
4a=16
a=4
b-4=24
b=24+4
b=28
28-2c=22
-2c= -6
c=3
a=4  b=28  c=3