Odpowiedź:
2(a - b) - a(3 - b) = 2a - 2b - 3a + ab = -a - 2b + ab
Odp. B
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Odpowiedź:
2(a - b) - a(3 - b) = 2a - 2b - 3a + ab = -a - 2b + ab
Odp. B