Răspunsuri

2014-11-06T14:13:08+02:00
A+B=160
B+C=134
A+C=146

A=146-C

B-C+146=160

B-C=14
B+C=134

ADUNAM ASTEA 2 ECUATII
2B=148
B=148/2=74
C=134-B=134-74=60
A=146-60=86