Wyrażenia algebraiczne kl, 1
-(x-2y - 3z+4) - (3x + 4y +5z - 2) + ( 4x - y +5z -1) =
2a (2a - 8y) +3x (a - 5y) =
-48 (2a - 8y) + 3y (b-7a) =
(-o,4y - 4) 5x² - 2y (x² - 6) =
(5a - 2) -8 (6a - 7b) + 3 (3a - 126) =
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-[x-2y-3z+4]-[3x+4y+5z-2]+[4x-y+5z-1]=-x+2y+3z-4-3x-4y-5z+2+4x-y+5z-1= -3y+3z-3
2a[2a-8]+3x[a-5y]=4a^-16ay+3xa-15xy
-48[2a-8y]+3y[b-7a]= -96a+384y+3yb-21ya
[-0,4-4]*5x^-2y[x^-6]= -2x^-20x^-2yx^+12y= -18x^-2yx^+12y
[5a-2]-8[6a-7b]+3[3a-126]=5a-2-48a+56b+9a-378= -34a+56b-380