5x5-5/5=24
来源:
丁庄秀园
于
2008-12-25 19:20:57
[
博客
] [
旧帖
] [
给我悄悄话
] 本文已被阅读:次
(5-5/5-5/5-5/5-5/5)=1 (use 9 of them)
5/5=1 (pair of them)
To make the 1 useless, just multiply them.