Răspunsuri

2014-05-19T13:58:28+03:00
A=a
b=a+13
c=a+13+13=a+26

a+b+c=282
a+a+13+a+26=282
3a+39=282
3a=282-39
3a=243
a=81

b=81+13=94
c=94+13=107
4 5 4