(x 是代數符號)
x cm三次方of oil weighs 0.9xg.What is the weight of 20cm三次方of oil?
THZ~
收錄日期: 2021-04-13 14:03:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070806000051KK02304