用7,8,9,10,11,12,13,14,15填空使横竖都相等
问题描述:
用7,8,9,10,11,12,13,14,15填空使横竖都相等
答
14,7,12
9,11,13
10,15,8
用7,8,9,10,11,12,13,14,15填空使横竖都相等
14,7,12
9,11,13
10,15,8