December 2018 0 25 Report
Usuń nawiasy i wykonaj redukcję wyrazów podobnych:
a) (5x + 2y) - (-3 + 4y) - 6x =
b) -(-3ab + 8) + (2 - 4ab) - (-7ag - 12) =
c) (6,5p + 3q-2½)-(7,1p - 2⅓q - 2,5) - (-0,6p + ⅓q - 2,3) =
d) -(-5a² + 2,25a - 9) + (-3 - 1¼a + 0,1a²) - (-12 - 7¹/₁₀a² + ½) =

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