Răspunsuri

Cel mai inteligent răspuns!
2014-05-23T10:46:09+03:00
     2a-2/90+a/9+2a-2/90=2a-2+10a+2a-2=<14a=2+2     a=14/4      a=7/2
nu mai pot modifica dar vezi ca asa se scrie corect 2a-2/90+a/9+2a-a/90=2a-2+10a+2a-a=>13a=2
2014-05-23T10:46:52+03:00
2a/90+a/9+2a/90=2a+10a+2a/90=14a/90