等差数列{an}中,a4+a10+a16=30,a10=?

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等差数列{an}中,a4+a10+a16=30,a10=?

等差数列{an}中,a4+a10+a16=30,a10=?
等差数列{an}中,a4+a10+a16=30,a10=?

等差数列{an}中,a4+a10+a16=30,a10=?
等差数列{an}中,a4+a16=2a10
a4+a10+a16=30,
2a10+a10=30
a10=10