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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是A.14B....
试题详情
等差数列{a
n}中,若a
4+a
6+a
8+a
10+a
12=120,则a
9-
的值是( )
A.14
B.15
C.16
D.17
相关试题
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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是( )
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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是( )
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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是( )
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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是( )
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等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-的值是( )
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B.15
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D.17