Przekształć wyrażęnie i wpisz wynik w najprostszej postaci. a) (a+2ab+b)-(a-2ab)+b=
a + 2ab + b - a+ 2ab + b =
4ab + 2b =
2b(2a+1)
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a + 2ab + b - a+ 2ab + b =
4ab + 2b =
2b(2a+1)