December 2018 1 48 Report
9. Opuść nawiasy i wykonaj redukcję wyrazów podobnych.
c) 1,2xy - 6y² - (3xy + 10 i 1/4 y² - 7,3) - (-5,4 + 3,8xy) =
d) 15x²y² - (6xy + 11y - 5,6x²y²) - (3 i 3/4 y - x²y² + 2 i 1/3) =
e) (3,5a² - 6,5b) + 4 - (1,3b + 4,5a² - 27) + a² - 4,4b =
f) 6xy³ + (3,2y - 2,9x) - 5,6 - (9xy³ + 5,8x - 6,3y +4,4) =
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