Răspunsuri

2014-04-28T16:11:24+03:00
A+b+c=120
a,b,c dp 5,6,18
a/5=b/6=c/18=k
a=5k
b=6k
c=18k
5k+6k+18k=120
29k=120
k=120/29
a=600/29
b=720/29
c=2160/29