September 2018 1 16 Report

Wyrażenia algebraiczne.
Zapisz w jak najprostrzej postaci :

a) 3(a+b) + (a-2b) =

b) -4(x-z) - (x+y) =

c) 5(4x-7) + (7-4x) =

d) (4x -y) - 2(x+y) =

e) 2(3x-2y+3z) - 5(x-y-z) =

f) 4x(x-y-z) - 2x(4x-y+z)

g) -3x²(x-⅔y) + 5x(x²-7xy) =

i) -2√2(a+√2b )- 4(a√2 -2b) =


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