September 2018 2 27 Report

DAM NAJ.

1.wyłącz wspólny czynnik przed nawias:

a) -2x + 4y

b) cd² - ac²

c) -t + t⁷

d) 0,5 + 5k

e) ½x² - ¼x

f) ⅗y - 3

2. Doprowadź to prostszej postaci wyrażenie:

a) -(5a + 2b - 3) + (-a+7b - 9)

b) (2t² - 4t + 6) - (-t² +3t - 11)

c) 3x - 2x(6 + 0,5x)

d) -(2 - y²) - (8 + 0,5y²) : 2

e) a+ \frac{6a - 18}{-3}

f) 4x - \frac{8-4x}{4}


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