把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.口十口=口十口=口十口=把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.口十口=口十口=口十口=口十口=口十口
问题描述:
把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.口十口=口十口=口十口=
把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.
口十口=口十口=口十口=口十口=口十口
答
0+9=1+8=2+7=3+6=4+5