Odpowiedź:
2 - 2x2 +1=
(najpierw mnożenie)
2 - 4 +1 =
(2 - 4 = - 2)
- 2 + 1 =
-1
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Odpowiedź:
2 - 2x2 +1=
(najpierw mnożenie)
2 - 4 +1 =
(2 - 4 = - 2)
- 2 + 1 =
-1