Maths: how to do, thanks?
回答 (1)
2020-11-26 8:01 am
✔ 最佳答案
V = L × W × D∴ dV = dL × W × D + L × dW × D + L ×W × dD
dV/V = dL/L + dW/W + dD/D
1o% = 2% + 2% + dD/D
∴ dD/D = 6%
收錄日期: 2021-04-24 08:06:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20201125144559AAVCZK5