C.169 D.170
解析:5+1^1-1=55+3^2=14
14+5^2-1=3838+7^2=87
87+9^2-1=167
133.1,5,19,49,109,()A.170 B.180 C.190 D.200
解析:19-5+1=15①②-①=21 49-19+(5+1)=36②③-②=49 109-49+(19+5+1)=85③④-③=70(70=21+49)?-109+(49+19+5+1)=④④=155?=155+109-(49+19+5+1)=190
134.4/9,1,4/3,(),12,36
解析:4/9×36=16\1×12=12==>x=6 4/3×x=8/
135.2,7,16,39,94,()
A.227 B.237 C.242 D.257
解析:第一项+第二项×2=第三项
136.-26,-6,2,4,6,()A.8 B.10 C.12 D.14解析:选D;-3的3次加1,-2的3次加2,-1的3次加3,0的3次加4,
1的3次加5,2的3次加6
137.1,128,243,64,()A.121.5 B.1/6 C.5 D.358 1/3解析:1的9次方,2的7次方,3的5次方,6的三次方,后面应该是5的一次方
所以选C
138.5,14,38,87,()
A.167 B.168 C.169 D.170
解析:5+1^2-1=55+3^2=1414+5^2-1=38
38+7^2=87 87+9^2-1=167
所以选A
139.1,2,3,7,46,()
A.2109 B.1289 C.322 D.147
解析:2^2-1=3 3^2-2=7 7^2-3=46
46^2-7=2109
140.0,1,3,8,22,63,()
解析:1×3-0=3 3×3-1=8 8×3-2=22 22×3-3=63 63×3-4=185
142.5,6,6,9,(),90
A.12 B.15 C.18 D.21
解析:(5-3)×(6-3)=6
..........
(6-3)×(9-3)=18
选C
145.2,90,46,68,57,()
A.65 B.62.5 C.63 D.62
解析:前两项之和除以2为第三项,所以答案为62.5
146.20,26,35,50,71,()
A.95 B.104 C.100 D.102
解析:前后项之差的数列为6 9 15 21
分别为3×2 3×3 3×5 3×7,则接下来的为3×11=33,
71+33=104选B