August 2018 2 7 Report
6. Zredukuj wyrazu podobne.

a) -2 -2a +3
b) 2a -3b +3a -2b
c)2y -6y +4x -2x
d) 2x +3 -6x -10
e) -x + 2x +(-6) + x -4
f) 2ab -6 -ab - (-3)
g) 3x² -2y² -6x² -2y²
h) 3,5b -2,4c -0,6c - 0,5b
i) 3x² -2x + 1 + x -4x² - 2
j) 2m² + 3mn -n +mn +3n -m²

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