[20點]三年級數學十字數陣圖,唔該
回答 (2)
2010-10-09 12:40 am
✔ 最佳答案
if middle place(a) is 5,X1X
253
X4X
if a=3 ,
X1X
235
X4X
if a=1
X2X
314
X5X
2010-10-08 16:41:00 補充：
u can change some pair of num. expect the middle place
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101004000051KK00082