Odpowiedzi

2010-01-15T13:33:34+01:00
A]
(5x+10y):5=5x:5+10y:5=x+2y
b]
(6p²-8pr):-2= -3p²+4pr
c]
(3x-6xy+1):-3=-x+2xy-⅓
d]
(x²+x-1):-⅙=(x²+x-1)×-6=-6x²-6x+6