a.(1,1)+(2,2)
b.(3,2)-(1,0)
坐標加減!!
2007-07-20 3:46 am
回答 (1)
2007-07-20 4:20 am
✔ 最佳答案
you can just serperate the coordinates into x- and y-, which means
(1+2, 1+2)
=(3,3)
(3+1,2-0)
=(2,2)
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070719000051KK04343