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(2003•黄石)在:“()、()3、3.14、()-2、sin60°、cos6...
(2003•黄石)在:“(
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)
、(
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)
3、3.14、(
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)
-2、sin60°、cos60°”这六个数中,无理数的个数是( )
A.2
B.3
C.4
D.5
考点分析:
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