1,2,3,4,5,6,7,8,9,10,11,12填入3*3的空格中,使横竖都得21,怎么填?
问题描述:
1,2,3,4,5,6,7,8,9,10,11,12填入3*3的空格中,使横竖都得21,怎么填?
答
1164
975
1812