回答:
如下所示
说明:
对于前几个术语,请插入每个值
因此前五个术语是:
回答:
说明:
#“获取术语替换”n = 1,2,3,4,5“到”a_n#“
#A_1 = 1 ^ 2 + 2 = 1 + 2 = 3#
#A_2 = 2 ^ 2 + 2 = 4 + 2 = 6#
#A_3 = 3 ^ 2 + 2 = 9 + 2 == 11#
#A_4 = 4 ^ 2 + 2 = 16 + 2 = 18#
#A_5 = 5 ^ 2 + 2 = 25 + 2 = 27#
如下所示
对于前几个术语,请插入每个值
因此前五个术语是:
#“获取术语替换”n = 1,2,3,4,5“到”a_n#“
#A_1 = 1 ^ 2 + 2 = 1 + 2 = 3#
#A_2 = 2 ^ 2 + 2 = 4 + 2 = 6#
#A_3 = 3 ^ 2 + 2 = 9 + 2 == 11#
#A_4 = 4 ^ 2 + 2 = 16 + 2 = 18#
#A_5 = 5 ^ 2 + 2 = 25 + 2 = 27#