Odpowiedzi

2010-02-12T15:28:57+01:00
3x-2y-5x+7y
-2x+5y

1/6m+7/24n

prosze;)
2010-02-12T15:32:45+01:00
3x-5x-2y+7y=-2x+5y
1/3m-1/12m-1/12m+1/4n+1/24n=4/12m-2/12m+6/24n+1/24n=2/12m+7/24n
2010-02-12T15:32:56+01:00
3x-2y-5x+7y=5y-2x
1/3m+1/4n-1/12m+1/24n-1/12m=1/6m+5/24n