3*5.067*(2040000*0.003(43.5-X)/X)
答案等於 4046810/X-93030
請問解答的計算過程~感謝~
收錄日期: 2021-05-04 01:56:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150712000016KK04130