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(2002•益阳)下列计算正确的是( ) A.b5•b5=2b5 B.b5+b5...
(2002•益阳)下列计算正确的是( )
A.b5•b5=2b5
B.b5+b5=b10
C.(b5)2=b10
D.(b2)5=b7
考点分析:
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