Răspunsuri

2014-10-06T13:01:37+03:00
B=a+1
c=b+1=a+2
a+b+c=a+a+1+a+2=3a+3=63
3a=63-3=60
a=60/3=20
b=a+1=21
c=a+2=22
2014-10-06T13:27:54+03:00
63-3=60
60:3=20 primul numar
20+1=21 al doilea numar
20+2=22 al treilea numar