Răspunsuri

2014-05-04T15:36:25+03:00
9x4·y4·z4 :x²y²z4= 9x²y²
-12x²y² z4:(-3yz4)=4x²yz³
3x²y²z:3z=x²y²
9x²y²+4x²yz²+x²y²= x²y(9y +4z² +y)
Scuze dar am gresit eu intrebarea.in penultima paranteza nu am mai continuat cu-6x^2 y^2 z