請問呢題數點樣計??
(x-4)(x)+(2x-1)=x2 -(4-x)
thx a lots
收錄日期: 2021-04-13 18:23:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111204000051KK00479