数字推理(要求详解)1.1,2,4,4,1,( )A.16 B.17 C.1/32 D.1/162.64,48,36,27,81/4,( )A.97/6 B.123/38 C.179/12 D.243/163.2-1,13+2,13+2,( )A.15-2 B.5-2 C.1 D.3-24.2+2,4+7,8+23,( )A.16+23 B.16+17 C.8+17 D.16

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数字推理(要求详解)1.1,2,4,4,1,( )A.16 B.17 C.1/32 D.1/162.64,48,36,27,81/4,( )A.97/6 B.123/38 C.179/12 D.243/163.2-1,13+2,13+2,( )A.15-2 B.5-2 C.1 D.3-24.2+2,4+7,8+23,( )A.16+23 B.16+17 C.8+17 D.16

数字推理(要求详解)1.1,2,4,4,1,( )A.16 B.17 C.1/32 D.1/162.64,48,36,27,81/4,( )A.97/6 B.123/38 C.179/12 D.243/163.2-1,13+2,13+2,( )A.15-2 B.5-2 C.1 D.3-24.2+2,4+7,8+23,( )A.16+23 B.16+17 C.8+17 D.16
数字推理(要求详解)
1.1,2,4,4,1,( )
A.16 B.17 C.1/32 D.1/16
2.64,48,36,27,81/4,( )
A.97/6 B.123/38 C.179/12 D.243/16
3.2-1,13+2,13+2,( )
A.15-2 B.5-2 C.1 D.3-2
4.2+2,4+7,8+23,( )
A.16+23 B.16+17 C.8+17 D.16

数字推理(要求详解)1.1,2,4,4,1,( )A.16 B.17 C.1/32 D.1/162.64,48,36,27,81/4,( )A.97/6 B.123/38 C.179/12 D.243/163.2-1,13+2,13+2,( )A.15-2 B.5-2 C.1 D.3-24.2+2,4+7,8+23,( )A.16+23 B.16+17 C.8+17 D.16
1.C
1,2,4,4,1,(x) 一:每两个相比1/2,1/2,1,4,x 1/2=1/2 2/4=1/2 4/4=1 4/1=4 1/x=y 二:得数再相比是1,1/2,1/4,1/8 是2的等比数列 (1/2):(1/2)=1 (1/2)/1=1/2 1/4=1/4 = 4/y=1/8 所以y=32 所以x=1/32
2.D
48=64÷4×3
36=48÷4×3
27=36÷4×3
81/4=27÷4×3
81/4÷4×3=243/16
3.C 每个人看法不一样
4.答案为16+4716 47,
前面的数是2的n次幂,后面的是相邻质数的平方减2,即2的平方减2,3的平方减2,5的平方减2,7的平方减2.

105. 隔项观察,第一项,第三项,第五项,以及所求的第七项,是奇数比例第增,递增倍数分别为3,5—7,故此第七项为105. 第二项,第四项,第六项偶数