F.3 math
2013-10-27 4:20 am
回答 (3)
2013-10-27 6:10 am
✔ 最佳答案
To ensure two circles do not touch each other, the centre of the new circle should be within 3 cm apart from X or YSo, the probability that the circle does not touch the circle C
= (3+ 3)/10
= 3/5
2013-10-27 4:48 am
我同意，6/10 = 3/5
2013-10-27 4:45 am
6/10 = 3/5
收錄日期: 2021-04-27 20:37:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131026000051KK00190