August 2018 2 29 Report
1.Wyłącz wspólny czynnik poza nawias .
a) 12ab+4ac-6ad
b) x(y+z)+2(y+z)

2. Rozwiąż równanie
a) 2/3(6x - 9) = 12
b) 1/10 ( 25x - 40) +2 = 3/4 (8x+12) - 9

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