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scoate factor comun:
4a+8;15b+10;6b+4a;3x+9y;8a+6b;3x+6y+9z.

Răspuns :

Mnb06
4a+8= 6b+4a=2*(1+2+2)=2*5=10. 4*(1+2). 3x+9y=3*(1+3)=3*4=12 4*3=12. 8a+6b=2*(1+4+3)=2*8=16 3x+6y+9z=3*(1+2+3)=3*6=18 15b+10. 5*(1+3+2) 5*5=25