加号怎么用两根火柴组成啊

P1149 [NOIP2008 提高组] 火柴棒等式

不要这么认真....
by cn_lemon @ 2017-07-17 16:05:59


Don't be so serious,you,Chinese,hahaha. A programmer from England.
by 昵称是啥?? @ 2017-07-17 16:37:37


Young England programmer,don't 装X......
by Mentos_Cola @ 2017-07-26 11:42:50


too young too simple
by yttt @ 2017-08-08 15:11:22


sometimes naive
by 高氯酸铜 @ 2018-04-07 10:43:15


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