February 2019 0 19 Report
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Rozwiąż:
a) ( 1/4x do kwadratu - 0,2y - 3 ) - ( - 1/5 + 0,25x do kwadratu - 3 ) =
b) 8x - ( 4x + 6y - 5 ) - ( -5y + 8x - 2 ) =
c) ( 3 - 4x do kwadratu + 5x ) - ( -3x + 5x do kwadratu + 3 ) =
d) - ( x do kwadratu - 2xy ) - ( xy - 2x do kwadratu + 4 ) + 3xy - x do kwadratu =
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