北师大版数学二年级上册《数松果》课件

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,*,安徽省六安市长安小学 纪开兵,数松果,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,有几堆,1,3,4,5,6,7,8,9,有几个,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,有几堆,1,2,3,4,5,6,7,8,9,有几个,5,10,15,20,25,30,35,40,45,15=5,一五得五,25=10,二五一十,35=15,三五十五,45=20,四五二十,55=25,五五二十五,56=30,五六三十,57=35,五七三十五,58=40,五八四十,59=45,五九四十五,再见,