August 2018 1 14 Report
1. Wyłącz wspólny czynnik poza nawias.
a) 0,5a-3b+4,5=... •1•a-...•6b=...•9=...............
b) -2,5a+7,5b-10=.............
c) - 3/4x + 9/12y - 12/16+.................
d) -36x-81-4,5y+............

2. Wykonaj mnożenie i zredukuj wyrazy podobne.
a) (x-5)(x+5) + 2xy=...
b) (3-a)(6-3a) + 3a =.....
c) (-2+x)(2+x)=....
d) (-4-x)(4+2x)=....
e) (-2-2x)(-4+3x)=....
d) (-6-3x)(-5-8x)=...

dziękuję. ;*
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