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Mathematics, 27.07.2021 14:00 hopectrammell1

Có người nói : A:số nghịch đảo của -1 là 1
B:số nghịch đảo của -1 là -1
C:số nghịch đảo của -1 là 1 và -1
D: không có số nghịc đảo của -1

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Answers: 1

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Có người nói : A:số nghịch đảo của -1 là 1
B:số nghịch đảo của -1 là -1
C:số nghịch đảo...
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