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(2002•南宁)下列说法正确的是( ) A.-2是-4的平方根 B.2是(-2...
(2002•南宁)下列说法正确的是( )
A.-2是-4的平方根
B.2是(-2)2的算术平方根
C.(-2)2的平方根是2
D.8的立方根是土2
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