August 2018 2 60 Report
Wykonaj działania.
a) (2x-3)-(x+5)+(x+4)=
b)(3a-2)-(a+4)+(a-3)
c) 4(2y-7y do kw.)-3(y do kw. - 3y)
d)-5(2b+3z)+2(2b-4z)

wyłacz wspólny czynnik przed nawias.

a) -8x+6y-2=
b) 6a-12b+18c=
e)4/5x+3/5x+1/5=

dam..naj
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