1/6+1/12+1/36+1/66+1/99=?123
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 16:21:48
![1/6+1/12+1/36+1/66+1/99=?123](/uploads/image/z/15243858-18-8.jpg?t=1%2F6%2B1%2F12%2B1%2F36%2B1%2F66%2B1%2F99%3D%3F123)
x)37674 742I*ǭ "T_`gCA`9[
\&#}CCI@h{qAb6`OhƦ90WBnaheh AJq/g.y鄾]#) 6Gc
1/6+1/12+1/36+1/66+1/99=?123
1/6+1/12+1/36+1/66+1/99=?
123
1/6+1/12+1/36+1/66+1/99=?123
1/6+1/12+1/36+1/66+1/99
=(1/6+1/66)+(1/12+1/36)+1/99
=2/11+1/9+1/99
=10/33
(2+4+6)/2=6黑球
1/6+1/12+1/36=5/18
1/66+1/99=5/(18*11)
5/(18*11)+5/18=10/33
先乘除,后加减