(1)1、3,5,1,5,9,1,7,13,1,9_.(2)0.0001,0.005,0.25,12.5__.0,1,1,4,5,9,14,16,30,25_.(4)4,16,36,64,___,144.(5)1,2,4,4,9,6,16,8,___,10.
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(1)1、3,5,1,5,9,1,7,13,1,9_.(2)0.0001,0.005,0.25,12.5__.0,1,1,4,5,9,14,16,30,25_.(4)4,16,36,64,___,144.(5)1,2,4,4,9,6,16,8,___,10.
(1)1、3,5,1,5,9,1,7,13,1,9_.(2)0.0001,0.005,0.25,12.5__.0,1,1,4,5,9,14,16,30,25_.
(4)4,16,36,64,___,144.
(5)1,2,4,4,9,6,16,8,___,10.
(1)1、3,5,1,5,9,1,7,13,1,9_.(2)0.0001,0.005,0.25,12.5__.0,1,1,4,5,9,14,16,30,25_.(4)4,16,36,64,___,144.(5)1,2,4,4,9,6,16,8,___,10.
这是公务员考试笔试行测的数字推理题吧.
第一题:17 每三个数字为一组,每组的第2个数字为公差为2的等差数列,每组的第三个数字为等差为4的等差数列.
第二题:625 构成公比为50的等比数列
第三题:4
第四题:100.
具体过程如下
4x1=4 4x4=16 4x9=36 4x16=64 4x( )=144 每个式子的被乘数分别为1,2 ,3,4,5的平方
第五题:25
这是奇偶数列.奇数项分别为1,2 ,3,4,5的平方,偶数项为公差为2的等差数列.
简便运算 (1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/7+1/9)*(1/3+1/5+1/7)
算术题,(1+1/3+1/5+1/7)×(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)×(1/3+1/5+1/7)
数奥题(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7)求(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7)的简便算法要求:
(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7) 简算(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7) 简便计算
简算:1/1*3+1/3*5+1/5*7+1/7*9+1/9*11
(1*3)/1+(3*5)/1+(5*7)/1+(7*9)/1+(9*11)/1
1/1*3+1/3*5+1/5*7+1/7*9+1/9*11
(1*3)/1+(3*5)/1+(5*7)/1+(7*9)/1+(9*11)/1
(1/3+1/5+1/7)*(1/5+1/7+1/9)-(1/3+1/5+1/7+1/9)*(1/5+1/7)=?
1/1*3+1/1*3*5+1/1*3*5*7+1/1*3*5*7*9-73/945
1/(1*3)+1/(3*5)+1/(5*7)+1/(7*9)...1/(199*201)=?
1+1+3+5+7+9
1/1*3+1/3*5+1/5*7+1/7*9+...1/17*19=
计算1/(1×3)+1/(3×5)+1/(5×7)+1/(7×9)+.+1/(19×21)
1/1×3+1/3×5+1/5×7+1/7×9+.+1/2013×2015
1/1*3+1/3*5+1/5*7+1/7*9+.+1/101*103
帮帮忙1/1*3+1/3*5+1/5*7+1/7*9+...1/99*101
1/1*3+1/3*5+1/5*7+1/7*9+1/49*51=