October 2018 2 22 Report

1.zredukuj wyrazy podobne:

a) 3a+2+11a+6

b) 5x-3y+x+2y

c) 3x+4y-6x-7y+12x

2. zapisz wyrazenia, nie uzywajac nawiasow. zredukuj wyrazy podobne.

a) x+(3x-y+5)

b) -x+(2x-3y-1)

c) (2a-3b)+(4a-5b)


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