August 2018 2 24 Report
2.Uporządkuj jednomiany:
a) y · 6 x =
b) –5b ·7ba ·(-2)=
c) x·(-6)x ·y =
d) 2 x · 3 x2 =
e) 12cd·0,2 c2 · d3 =
f) (-x)·(-a)·12a·(-0,3 x2 )=
3.Przedstaw w jak najprostszej postaci:
a) 16x-5y-6-21x+19y-8=
b) -(9a-b+7) + (6+a- 8b) =
c) 5(x-3y) – 4(x-2) + (y-1)=
d) 2x (4,1xy – 0,5y+3,2x) – (5x2 – 3,4xy+1,2x2 y) ·3=
e) (3x – 5) – (2x + 4)=
f) 4(3x – 5) – 3(2x + 4)=
g) (7x – 3) – 4(2x + 4) + 7x =
h) 5(a - b)- 7a (a - b)=


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