水彩画手绘教室:4/3,1,2,7,( )
来源:百度文库 编辑:神马品牌网 时间:2024/04/26 22:01:47
应该是24
理由:4/3*3-3=1
1*3-1=2
2*3+1=7
7*3+3=24
乘以3后面的是公差为2的递增数列。
4/3,1,2,7,( )
猜一成语:(1)1×1(2)3/4(3)7/8(4)3.4
1/3 2/5 4/7 ( ) 256/11
数字推理1 2/3 5/9 ()7/15 4/9 4/9
3/15,1/3,3/7,1/2,( ) A.5/8,B.4/9,C.15/27,D.-3
1/(1*2)+1/(2*3)+1/(3*4)+1/(4*5)+1/(5*6)+1/(6*7)+1/(7*8)+1/(8*9)……1/(19*20)=?
20/9,4/3,7/9,4/9,1/4,( )
(72+1/2)x1/4 和 (28-3/7)x1/7
(2 3/1-3 2/1+1 45/4)/(-1 6/1)
1/(2/3)/(3/4)/(4/5)/(5/6)/(6/7)/(7/8)