October 2018 2 28 Report

Zredukuj wyrazy podobne:

a) 5a + (3a + 7b - 1) =

b) (5x - 10y - 3) + 5y =

c) (4b - 2a) + (136 + 18) - 20 =

d) 17a - (2b - 3a) =

e) 25x - (4x + 18y - 9) =

f) (2xy - 3x - 2) - (4xy - 3x + 1) =


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