1.Doprowadź wyrażenia do najprostszej postaci:
a) ( x+1 )(x2 – x + 1) + (1- x)3 d) (x- 5)2 – 3x( x2 – 1)
b) (2x-1)3 – (x+2)2 e) (2+ x)3 + (x -4 )2
c) (x+3)3 – (x+5)(x-5)
10.Oblicz:
a) 2 ∙(0,3)-1 + 4 ∙81/3 – 12 ∙ 27 -1/3=
b) ∙2162/3 + (5,27 -3)0 – 810,75∙(0,5)-1 =
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b. 6x+3-2x-4=4x-1
c.3x+9-x-5*x-5
d. 2x-10-6x <-kwiadrat -3x
e. 6+3x+2+x-8