August 2018 3 16 Report
Zapisz wyrazenia , nie uzywajac nawiasow . Zredukuj wyrazy podobne .
a) x + (3x - y² + 7 )
b) -a + ( 2a - 3b - 1 )
c)- x² + ( x² - x - 7 )
d) -b³ - ( b³ - b² - b )
e) ( 2a - 3b ) + ( 4a - b )
f) - (x² - 3x ) + ( x² + 3x )
g) (a + b - c ) - ( 2a - b + 2c)
h) - ( x² - xy - z ) - ( - x² + 2xy + 2z )
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