首页
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-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAjCAYAAAD17ghaAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAElSURBVFhH7VfBEYQgDExl9EQ7NEMplBITOVE4
nCBhxAfMOXMj52XZLMsKOHnA5Pr4IQDBoQGDLrzLSWTAWwQAumYBiCjQLgCLgcXANAZ2E2IfiJf1
75nRh6z4vUVnlR4x4O3RJoue7XtArxoBBHQG0KSTim17jFZIc6f4yu8HV7zyszjfZUBjDi6ZAd4h
xlHJy6jd69SQCCA4U1l9yUhndXpMBJDTH3sfc0NA+qhHBHA1olLZmUmR+vfccBNepFRVmScA9Iep
xwp1S6nqZh6YxyuTTHn/9pZS1f98rgG1uSgAJJfrX35DrpQY+AkuN50nQlcwcJThfQ+l8TRjGABg
f0foboMaQDx0uuuL7xY1DaT9qUxDUqq6mRetuLn9nT9cAKYzsAG8EW8C3GQXhAAAAABJRU5ErkJg
gg==
)
的值是( )
A.14
B.15
C.16
D.17
相关试题
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17
-
等差数列{an}中,若a4+a6+a8+a10+a12=120,则a9-
的值是( )
A.14
B.15
C.16
D.17