Zadanie 3 Uprość wyrażenia: a) – 3a + 4a – a =
b) 3a + 2b – 4a + b =
c) 5(d + 2) – 3d + 4 =
b) 3a + 2b – 4a + b =
c) 5(d + 2) – 3d + 4 =
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