交叉既相反個英文係咩?

2007-11-22 9:54 am
交叉既相反個英文係咩?

回答 (2)

2007-11-22 11:26 am
In math, 交叉 = intersect or cross....so 交叉既相反 = parallel
參考: me
2007-11-22 10:28 am
交叉既相反 = tick


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