1、谁爬得快,北师大版四年级数学下册,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?,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,0.39
2、99,8.5353,0.0168168,4.02030203,8.12121212,3.1415936535897,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 1.48383 4.252525 0.1875875 4.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?,