1 ( ) 2 ( ) 3 ( ) 4 ( ) 5 ( ) 6 ( ) 7 ( ) 8( ) 9 = 100
( ) is +, -, x,÷.
收錄日期: 2021-04-18 20:28:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061214000051KK03245