September 2018 2 32 Report
Zredukuj wyrazy podobne: a) -2x + 3x -6x =........ b) -1,5a - 0,5a + 2a =........ c) 4x - 3 - 8x + 12 =....... d) -6y + 4 - 8y - 7 =........ e) 3x - 4y + 6 - 4x + 4y =........ f) -5a + 6 + 4a - 9 - 6a =........ g) 7x - 4y - 8x + 5y + x =....... h) -12a + 4b + 8a - 7b =...... i) 11x - 4y + 8x + 7y - 19x =...... j) -8a + 9x + 8a - 9x =......
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