问题
填空题
等差数列{an}中,a4=1,a6+a10=16,则a12=______.
答案
∵等差数列{an}中有a4+a12=a6+a10,
∵a4=1,a6+a10=16,
∴a12=16-1=15,
故答案为:15
等差数列{an}中,a4=1,a6+a10=16,则a12=______.
∵等差数列{an}中有a4+a12=a6+a10,
∵a4=1,a6+a10=16,
∴a12=16-1=15,
故答案为:15