1.67,54,46,35,29,()A,13 B,15 C,18 D,202.14,20,54,76,()A,104,B,116 C,126 D,144

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1.67,54,46,35,29,()A,13B,15C,18D,202.14,20,54,76,()A,104,B,116C,126D,1441.67,54,46,35,29,()A,13B,15C

1.67,54,46,35,29,()A,13 B,15 C,18 D,202.14,20,54,76,()A,104,B,116 C,126 D,144
1.67,54,46,35,29,()
A,13 B,15 C,18 D,20
2.14,20,54,76,()
A,104,B,116 C,126 D,144

1.67,54,46,35,29,()A,13 B,15 C,18 D,202.14,20,54,76,()A,104,B,116 C,126 D,144
1.67,54,46,35,29,(D)
A,13 B,15 C,18 D,20
每两项相加得到 121 100 81 64
此数列为11的平方 10的平方 9的平方 8的平方
所以下项为7的平方=49
+29=49
=20
2.14,20,54,76,(C)
A,104,B,116 C,126 D,144
3*3+5=14
5*5-5=20
7*7+5=54
9*9-5=76
11*11+5=126

D
C