[20點]三年級數學十字數陣圖,唔該

2010-10-04 9:13 am
將1,2,3,4,5,呢五個數字橫行三個數和直 行三個數的和相等, [ 最少五個]

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
2010-10-04 9:39 am
2
154
3

4
135
2


3
215
4

2
314
5


5
432
1
參考: me


收錄日期: 2021-04-23 19:23:36
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