1:
$6.8:$10 1/5
2:
40cm:25km
3:
1km/h:1m/s
4:
120km/h:20m/s
求說明及解答,謝謝!
收錄日期: 2021-04-27 20:34:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131005000051KK00189