August 2018 2 818 Report
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Zapisz sumy jednomianów podobnych w prostszej postaci.

a) 6xy - 5xy + 4xy - 3xy +2xy - xy = ...
b) 2,5a - a - 4a + 6,5a - 3,5a = ...
c) 0,3x - 0,4x + 0,5x - 0,6x + 0,7x = ...
d) 696y -969y + 69y - 96y = ...
e)jednadruga a² + jednatrzecia a² + jednaszósta a² - 2a² = ...
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