1.solve for a:
A=a+b/2
2.solve for t:
R=s/t
P.S. / =divide by
Thank you for solving this problems!
收錄日期: 2021-04-28 23:23:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061015204400AA9VxGY