Odpowiedzi

2010-02-01T18:26:11+01:00
2010-02-01T18:26:42+01:00
3,5b-2,4c-9,6c-0,5b= 3b -12c

9x - 2x + 1 + x - 16x -24m + 3mn - n +mn +3n - 2m =-8x +1 -26m +3mn +2n
2010-02-01T18:32:01+01:00
-6,1c-2,9b
-8x+1-22m+4mn+2n