kwhw.net
当前位置:首页 >> EACh oF thE 25 BAlls >>

EACh oF thE 25 BAlls

先将每个盒子放2个,还剩下两个球,如果剩下的两个球在同一个盒子有3种方法,如果这两个球不在一个盒子也有3种方法,一共六种。故选A

each of the four corners and in the middle of each of the long side ...It is played using a cue and snooker balls: one white cue ball, 15 ...

网站首页 | 网站地图
All rights reserved Powered by www.kwhw.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com