September 2018 2 18 Report

1. Uporzśątkuj jednomiary
a) -2x *3y * - to jest razy jak coś

2.Zrededykuj wyrazy podobne

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

3.Wykonaj działania

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

b)2a-(b+2a-1)=

c)-8(-3-7y+2x)=

d)5(a-2b-1)-3(a-5b)=

d


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