February 2019 0 28 Report
Zredukuj wyrazy podobne:
a) -4x - 7 -3x + 7 =

b) x - 2xy + 1/2x - 1/3xy =

c) - x² + y² - 2x² - 2y² =

d) -x² + 2x -3x + x² =

e) 4x + 4 - 7x - 1/2 =
Za wytłumaczenie daje NAJ!
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