October 2018 2 38 Report

1. Oblicz...

(2a + 6b) + ( 9a + 4b)

(-3x do 2 potęgi +2x - 4) + (4x do 2 potęgi - 2x + 3)

(-a + 6b -1) + (-7a - 9b +1)

2. Oblicz...

(4a - 5b) - (-4x+ 3z)

8x + 4m - 8 - -5m + 8x - 2

3. Wykonaj odejmowanie

(a + b ) - (a+b)

(a+b) - (a-b)
(a-b)- (-a+b)

(a+b) - (-a+b)

(a+b)-(-a--b)

(a-b) - (-a-b)

(8x + 4m - 8) - (-5m + 8x -2)


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