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B)1/2(2a+4b+1)= a+2c+1/2
c)m(2m+3)= 2m²+3m
d)3p(2r+5p-1)=6pr+15p²-3p
e)xy(2x-3y+5)= 2x²y -3xy²+5xy
B)1/2(2a+4b+1)=a+2b+1/2
c)m(2m+3)=2m²+3m
d)3p(2r+5p-1)=6pr+15p²-3p
e)xy(2x-3y+5)=2x²y-3xy²+5xy
licze na naj ;P