徐州旅游路线:20/9,4/3,7/9,4/9,1/4,( )
来源:百度文库 编辑:查人人中国名人网 时间:2024/10/03 04:07:39
20/9,
4/3=24/18,
7/9=28/36,
4/9=32/72,
1/4=36/144,
40/288=5/36
20/9,4/3,7/9,4/9,1/4,( )
20/9,4/3,7/9,4/9,1/4()解题过程
(8/9+3/7+6/11)÷(3/11+5/7+4/9)
找规律:2/4 3/6 5/8 7/9 ()/() ()/()
11/49 ,4/7, 3 ,20 ,139 ,()
"1/3+1/(3+4)+1/(3+4+5)+1/(3+4+5+6)+......1/(3+4+5+6+7+8+9+10+......+18+19+20)的值是多少?"
"1/3+1/(3+4)+1/(3+4+5)+1/(3+4+5+6)+......+1/(3+4+5+6+7+8+9+10+......+18+19+20)的值是多少?"
数字推理1 2/3 5/9 ()7/15 4/9 4/9
4/5*6/7*8/9*10/11*......10000/10001( )3/1000
1/2+3/4+5/6+7/8+9/10+``````+99/100=?