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a) xy(2x - 3y + 5) =2x²y+(-3xy²)+5xy
b) ½(2a - 4b + 1 )=a+(-2b)+½
c) (t-2s-1)×7=7t+(-14s)+(-7)
Przekształć ilorazy na sumy
a) (-4x +8):4 =(-x)+2
b) 5x +10y/5=x+2y
c) ( 6p² - 8 pr ): (-2)=(-3p²)+4pr
d) (3x - 6 xy + 1)/-3=(-x)+2xy+(-⅓)
e) (x² + x - 1) : (- ⅙ )= ?
f) (2,5 x² - 0,5x + 1)/5=0,5x²+(-0,1x)+1/5