Mostofyouknowthismat的知识精选

Mostofyouknowthismathematicalgame,ofcourse.Youandyourfr...
问题详情:Mostofyouknowthismathematicalgame,ofcourse.Youandyourfrienddrawcrossesandcirclesonasheetofpaper.Youdoitoneafteranother.Thefirstpupilwhogetsthreemarksinarowwins.Butdoyouknowthatyoucanplaythisga...
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