Răspunsuri

2014-05-02T12:09:15+03:00
A/b=3/5
5a=3b
a=3b/5

3a+2b=114
3*3b/5 +2b=114  aducem la acelasi numitor
9b+10b=570
19b=570
b=30
a=90/5
a=18
2 3 2