(1)【◆题库问题◆】: 1,1,3,7,17,41,()A.89B.99C.109D.119 【◆参考答案◆】:B 【◆答案解析◆】:答:选B, 从第三项开始,第一项都等于前一项的2倍加上前前一项。...
4,12,39,103,()
(1)【◆题库问题◆】: 4,12,39,103,()A.227B.242C.228D.225 【◆参考答案◆】:C 【◆答案解析◆】:答:选C,4=1×1+312=3×3+3...
-2,-8,0,64,()
(1)【◆题库问题◆】: -2,-8,0,64,()A.-64B.128C.156D.250 【◆参考答案◆】:D 【◆答案解析◆】:答:选D,思路一:13×(-2)=-2;23&time...
1,2,2,3,3,4,5,5,()
(1)【◆题库问题◆】: 1,2,2,3,3,4,5,5,()A.4B.6C.5D.0 【◆参考答案◆】:B 【◆答案解析◆】:答:选B,以第二个3为中心,对称位置的两个数之和为7 (2)【◆题库问题...
1,1,2,2,3,4,3,5,()
(1)【◆题库问题◆】: 1,1,2,2,3,4,3,5,()A.1B.3C.5D.6 【◆参考答案◆】:D 【◆答案解析◆】:分析:思路一:1,(1,2),2,(3,4),3,(5,6)=>分...
0,6,24,60,120,()
(1)【◆题库问题◆】: 0,6,24,60,120,()A.186B.210C.220D.226 【◆参考答案◆】:B 【◆答案解析◆】:答:选B,0=13-1;6=23-2;24=33-3;60=...
63,26,7,0,-2,-9,()
(1)【◆题库问题◆】: 63,26,7,0,-2,-9,()A.-16B.-25C.-28D.-36 【◆参考答案◆】:C 【◆答案解析◆】:分析:选C,43-1=63;33-1=26;23-1=7...
1,23,59,(),715
(1)【◆题库问题◆】: 1,23,59,(),715A.12B.34C.214D.37 【◆参考答案◆】:D (2)【◆题库问题◆】: 124,3612,51020,()A.7084B.71428C...
1/11,7,1/7,26,1/3,()
(1)【◆题库问题◆】: 1/11,7,1/7,26,1/3,()A.-1B.63C.64D.62 【◆参考答案◆】:B 【◆答案解析◆】:答:选B,奇数项:1/11,1/7,1/3。 分母:11,7...
102,1030204,10305020406,()
(1)【◆题库问题◆】: 102,1030204,10305020406,()A.1030507020406B.1030502040608C.10305072040608D.1030507020406...