February 2019 0 14 Report
Pomocy!!!
Doprowadź do najprostszej postaci. Odpowiedź zapisz w kolejności alfabetycznej (np. a+2b+3c+4).

1) (ax2+ax−a−x)−(2ax−3ax2+a−x)+(2a−ax2)

2) −(−a−b)−b−[−a−(a−b)+b]−(b−a)−[−(−a)]

3) 3a−(2a−b)+(a−4b)
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