1,1,8,16,7,21,4,16,2,( )A.10 B.20 C.30 D.40
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1,1,8,16,7,21,4,16,2,()A.10B.20C.30D.401,1,8,16,7,21,4,16,2,()A.10B.20C.30D.401,1,8,16,7,21,4,16,2,(
1,1,8,16,7,21,4,16,2,( )A.10 B.20 C.30 D.40
1,1,8,16,7,21,4,16,2,( )
A.10 B.20 C.30 D.40
1,1,8,16,7,21,4,16,2,( )A.10 B.20 C.30 D.40
1*1=1
8*2=16
7*3=21
4*4=16
2*5=10
所以是10
1,1,8,16,7,21,4,16,2,( )这个数列怎么解?
(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
规定a*b=(a-2.5)-(9/8-b),试计算:(21/4)*{3.5*(3/16)}21/4*(3.5*3/16)=21/4*(7/2*3/16)=21/4*[(7/2-2.5)-(9/8-3/16)]=21/4*[(7/2-5/2)-(18/16-3/16)]=21/4*(1-15/16)=21/4*1/16=(21/4-2.5)-(9/8-1/16)=(21/4-5/2)-(18/16-1/16)=(21/4-10/4)-(18/16-1/16)=11/
1,1,8,16,7,21,4,16,2,( )A.10 B.20 C.30 D.40
数字推理1,1,8,16,7,21,4,16,2.()下一个数是什么?
计算(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1)
6(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1)
[(1又21/24-1又3/8+1/16-3/4)*(-4)^3]/5 21-(-7)/(1/2)*2怎么做 ,
一[(1又21/24-1又3/8+1/16-3/4)*(-4)^3]/5二21-(-7)/(1/2)*2
[(1又21/24-1又3/8+1/16-3/4)*(-4)^3]/5 21-(-7)/(1/2)*2怎么做,
一.1,2,3,5,( ),13,21,34,( ),( ).二.1,-2,4,-8,16,( ),( ).三.-3/4,5/9,-7/16,9/25,( ).
(一)7 - 5又8分之3=?(二)4又16分之3 - 2又16分之1 - 1又16分之1=?(三)8又21分之2 - 2又21分之4 - 21分之16(四)3 - 6分之1 - 1又6分之5=?(五)2又4分之1 - 4分之3 - 4分之1=?
7/8/{(1/2-1/4)*3/16}
2,3,5,8,13,21,( ) 1,4,9,16,( ) ,() 1,3,7,15,31,(),127,255,
1/16 ,2/13 ,2/5 ,8/7 ,4,)
找规律 1/16,1/8,1/4,7/16,( ),3/2
找规律 1/16,1/8,1/4,7/16,( ),2/3
4/1*3-8/3*5+12/5*7-16/7*9.-40/19*21