数独教学优质公开课.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,数独游戏,游戏规则,在每一行每一列的九个格子里以及每个九宫格(粗实线划分出的33的格子区域)里分别填入19并且使其不重复.简单来说,我们填数字的时候只需记住”,已有的数字不能再有,没有的数字必须得有,”这一准则即可.,8,9,4,3,1,7,6,2,6,4,9,7,1,5,1,3,6,2,5,9,8,4,8,6,9,2,3,1,3,7,1,8,4,5,9,1,7,3,4,6,8,9,4,3,1,8,3,7,2,4,8,5,9,2,8,5,9,6,3,6,4,7,8,5,5,3,4,3,1,9,2,8,7,3,9,5,2,4,7,1,2,6,9,2,9,8,6,7,9,4,8,1,7,3,9,1,5,6,7,8,9,此处非1莫属,4,8,5,7,2,6,9,3,有何高见,4,8,5,7,2,3,6,9,你说,不填1还能填几呢?,1,5,6,1,1,5,1,1,2,3,4,5,1,1,2,3,1,4,5,6,7,1,1在这两格里,但位置不定,2,3,1,7,8,1,2,3,这里是2和3的位置,别人不许侵占!,8,7,5,6,3,1,8,4,4,2,9,3,5,7,2,6,6,1,7,7,6,5,8,8,5,6,9,9,9,7,8,5,只能,填1和,2,只填3和4,这是未出现的9喽!,4,1,6,5,4,6,5,3,5,8,7,3,8,9,9,4,7,这里,被1和2,侵占了,填1不会错吧,