-2[5(3-x)+3]-1=3[2(3-x)+3]
是方程式來的!
唔該快D答!計左好多次都唔得T^T!唔該大家TT
收錄日期: 2021-04-13 14:24:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071110000051KK03293