December 2018 2 19 Report
Zadanie 19/165 stronie, gim 1, matematyka z plusem :)
a) -4x - 7 - 3x + 7 = ?
b) x - 2xy +1/2 x - 1/3 xy = ?
c) - x do potęgi 2 + y do potęgi 2 - 2x do potęgi - 2 y do potęgi 2 =
d) - x do potęgi 2 +2 x - 3 x + x do potęgi 2 =
e) 4x + 4 - 7 x - 1/2 =
f) - 2 ab + 12a - 4 ab - 16 a =

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