北师大版数学四年级下册《谁爬得快》课件.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,*,谁爬得快,循环小数,找规律、填一填,谁爬得快？,73,3,6,2,1,.,12,733=,（米）,1,9,1,9,1,3,3,3,商的小数部分总是重复出现,“,3”,24.333,3,4,0,0,0,9,1,蜘蛛平均每分爬行多少米？,9.4,11,8 8,0,6,8,55,9.411=,（米）,5,44,6,5 5,5,4,5,5,商的小数部分总是重复出现“,5,、,4”,0.85454,0,.,0,0,0,44,6,蜗牛平均每分爬行多少米？,4,7.87,9.3737,5.901436,循环小数,64.2454545,2.1313,0.666,9.3737,733=,24.,3,33,9.411=,0.8,54,54,循环小数,