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高中数学苏教版选修 1-2 PowerPoint PPT Presentation


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高中数学苏教版选修 1-2. 流程图. 海安县立发中学. 主讲人 : 王义霞. 问题情境 :. 第一步 : 一人一鬼过河 , 一人划回 ; 第二步 : 两鬼过河 , 一鬼划回 ; 第三步 : 两人过河 , 一鬼一人回 ; 第四步 : 两人过河 , 一鬼回 ; 第五步: 两鬼过河,一鬼回; 第六步: 两鬼过河. 自然语言. 三个鬼与三个人都要过河。河中只有一条小船,可容两人 ( 鬼 ) 。而且无论在船上或在岸上,每边的鬼数量如果多于人 , 鬼就会把人吃掉. 演示. 流程图:. 开始. 一人一鬼过河 , 一人划回. 工序流程图(统筹图).

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高中数学苏教版选修 1-2

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