August 2018 2 15 Report
A) 1-(x+y)-(x-2)=
b) (a+b)-(2a-b)-(a-2b)=
c) -3(y-2)-4(y+2)=
d) 2x+6-6x-9
------------- te kreska oznaczają podzielic
2 3 2x+6 podzielic na 2, 6x-9 na 3



Bardzo proszę zróbcie dobrze i do dzisiaj :(P

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