已知点O(0,0),A0(0,1),An(6,7),点A1,A2,…,An-1(n∈N,n≥2)是线段A0An的n等分点,则| ++…+OAn-1+|等于( )
A.5n | B.10n |
C.5(n+1) | D.10(n+1) |
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已知点O(0,0),A0(0,1),An(6,7),点A1,A2,…,An-1(n∈N,n≥2)是线段A0An的n等分点,则| ++…+OAn-1+|等于( )
A.5n | B.10n |
C.5(n+1) | D.10(n+1) |
试题篮
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