Odpowiedzi

2010-02-17T18:37:11+01:00
Xy(2x-3y+5) = 2x²y - 3xy² + 5xy
3p(2r+5p-1) = 3pr + 15p² - 3p
2010-02-17T18:37:17+01:00
Xy(2x-3y+5)=2x²y-3xy²+5xy

3p(2r+5p-1) =6pr+15p²-3p
2010-02-17T18:43:01+01:00
Xy(2x-3y+5)=2x w kwadracie y-xy w kwadracie +5xy
3p(2r+5p-1)=6pr+15p w kwadracie -3p