Răspunsuri

2014-11-15T13:41:12+02:00
4x^2+2*2x*3+9-x^2= 3x^2+12x-9
Nu asa trb. Dar ms oricum
cum nu asa?
Mup
Nu
explica, normal?
2014-11-15T14:03:31+02:00