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数学广角,推理,我们一起来玩填数游戏吧!,下面的每组方格中只能填,1,4,四个数,哪一个表格可以直接确定,A,是几?,2,1,A,2,3,1,A,2,A,4,A,3,2,在右面的方格中,每行、每列都有,1,4,这四个数,并且每个数在每行、每列都只出现一次。,A,应该是几?,1,在右面的方格中,每行、每列都有,1,4,这四个数,并且每个数在每行、每列都只出现一次。,B,应该是几?,4,1,1,2,2,4,4,3,3,4,1,做一做,在下面的方格中,每行、每列都有,1,4,这四个数,并且每个数在每行、每列都只出现一次。,B,应该是几?其他方格里的数呢,?,1,4,3,2,1,3,4,3,2,1,4,7,6,2,9,8,1,4,3,5,4,5,3,2,6,7,9,8,1,8,1,9,3,5,4,7,6,2,3,8,6,1,9,2,5,4,7,9,4,1,7,3,5,8,2,6,5,2,7,8,4,6,3,1,9,6,3,4,5,2,9,1,7,8,2,7,5,4,1,8,6,9,3,1,9,8,6,7,3,2,5,4,数独游戏,1,8,7,3,6,5,2,9,7,4,1,5,3,3,6,9,8,7,1,4,2,7,5,6,3,8,1,6,1,8,7,3,9,3,8,5,9,4,1,6,7,5,4,6,9,1,2,7,1,9,5,2,6,8,6,2,1,8,9,7,5,游戏规则:,请你用,1,9,九个数字填满,9,9,的格子,要求:每一行、每一列都用到,1,9,,不能重复;每个小九宫格也都用到,1,9,,不能重复。,1,8,7,3,6,5,2,9,7,4,1,5,3,3,6,9,8,7,1,4,2,9,7,5,6,3,8,1,6,1,8,7,3,9,3,8,5,9,4,1,6,7,5,4,6,9,1,2,7,1,9,5,2,6,8,6,2,1,8,9,7,5,2,2,5,4,4,9,8,6,2,7,2,3,4,5,4,3,3,4,8,本课小结,
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