Odpowiedzi

2009-12-13T20:50:04+01:00
-2,5x+5y-2,5x-3=-5x+5y-3

5x-2-t-3t-3x+5=2x-4t+3

2t-3t2-z+3t2-t+2z=t+z

t-ab-2t+3ab-3t=-4t+2ab

-a-a-2a-3b-2b-a+a-b-2b+b+3b-2a-b+2a-b+3a=-a-6b
1 5 1
2009-12-13T21:35:08+01:00
-2,5x+5y-2,5x-3= 5y-3
5x-2-t-3t-3x+5=2x+3-4t
2t-3t2-z+3t2-t+2z=t+z
t-ab-2t+3ab-3t=-4t+2ab
-a-a-2a-3b-2b-a+a-b-2b+b+3b-2a-b+2a-b+3a=-a-6b