70x+138y+136z=10^n
30x+40y+100z=10^n
10^n=10既n次方.求x.y.z
收錄日期: 2021-04-22 00:38:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090505000051KK01955