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凸边形各内角成等差数列,公差10°,最小内角为100°,则( ) A.5或6 B...

6ec8aac122bd4f6e边形各内角成等差数列,公差6ec8aac122bd4f6e10°,最小内角为100°,则6ec8aac122bd4f6e  )

A.5或6             B.9                 C.8                 D.8或9

 

C 【解析】略
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