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1、从前有座山,山里有座庙,庙里有个老和尚,老和尚正在给小和尚讲故事,你会接着往下讲吗?,红绿灯的交替出现,白天黑夜交替出现,循环,谁爬得快,北师大版四年级数学下册,谁爬得快?,73,3,6,2,1,.,12,733=(米),1,9,1,9,1,3,3,3,3,4,0,0,0,9,1,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 5,5,4,5,5,0,.,0,0,0,44,6,蜗牛平均每分爬行多少米?,4,先计算,再说一说这些商的特点。,78.611=,2818=,努力吧!,7.87,9.3737,9.3737,找出循环小数,0.3999
2、,8.5353,0.0168168,4.02030203,8.12121212,3.1415936535897,找出下列小数的循环节,0.4666,7.12424,0.0201201,4.412031203,用简便形式写出下列循环小数,0.4666,7.12424,0.0201201,4.412031203,=0.46,.,=7.124,.,=0.0201,.,=4.41203,.,用简便形式写出下面各循环小数3.2424=3.301301=2.152152=0.1168168=5.417461746=,.,3.24,.,3.301,.,2.152,.,0.1168,.,5.41746,3.把这些数四舍五入到十分位。0.666 1.483834.252525 0.18758754.把这些数精确到百分位。5.把这些数保留三位小数。,哇!王鹏400米只跑了75秒!,平均每秒跑多少米呢?,小刚练习书法,他把“我们是共产主义接班人”这句话依次反复写,第62个字应写什么字?,