1.4().16()填啥数儿
1.4().16()填啥数儿
4()16.()填啥数儿
2.4.5.10.()()填啥数儿
观察下面三行数: (1)1,4,9,16,25,...;(2)0,3,8,15,24... 看图做题.
数字推理 行测一:0,4,16,48,128,( )A.280 B.320 C.350 D.420二:0.5,1,2,5
数字推理 行测 一:0,4,16,48,128,( )A.280 B.320 C.350 D.420二:0.5,1,2,
13 14 16 21 ( ) 76A.23 B.35 C.27 D.22答案B2/3 1/4 2/5 ( ) 2/7
1/(1*4)+1/(4*7)+1/(7*10)+1/(10*13)......+1/(2002*2005)+1/(20
数学简便计算(讲解)(1/1*2)+(1/2*3)+(1/3*4)......(1/2000*2001)=
(-1)+2+(-3)+(-4)...+(-2009)+2010
解方程:2x(x-2)-6x(x-1)=4x(1-x)+16.
观察下面两行数2,4,8,16,32,64,...(1)5,7,11,19,35,67...(2)根据你发现的规律,取每