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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,*,8,、,9,的认识,和加减法,人教新课标一年级数学上册,1,2,3,8,9,4,1,2,3,4,5,6,7,7,8,8,9,8,7,9,8,7,9,8,9,8,5,看一看,6,一共有()个小动物。从左起,小兔排第(),小猴子排第()右起第,5,个小动物是()。,9,8,2,小松鼠,7,八个五角星分成两堆,你会怎样分?,摆一摆,8,8,7,1,6,2,5,3,4,4,3,5,2,6,1,7,摆一摆,9,九个圆纸片分成两堆。你会怎样分?,摆一摆,10,9,7,1,6,2,5,3,4,4,3,5,2,6,1,7,8,8,摆一摆,11,填一填,3,5,2,7,2,8,5,9,8,9,6,4,12,+,=,3,5,8,+,=,5,3,8,13,-,=,8,3,5,-,=,8,5,3,14,9,9,8,1,15,+,=,7,2,9,-,=,9,7,2,+,=,2,7,9,-,=,9,2,7,16,?,棵,+,=,4,5,9,17,+,=,5,2,7,?,朵,18,6,8,9,3,6,19,8,5,20,2,7,9,21,
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