1. 1+2+3+4+5+6......+9999+10000 = ??
2. (30+62+89+25) x 36* x [ ( 10* x 2 * ) x10* ] x 55* = ??
* = 5
收錄日期: 2021-04-13 14:01:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071019000051KK02868