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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,*,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,9 +7 =,16,1,6,10,先圈出10朵,再计算。,第一关,15,1,5,10,9 +,5,=,1,4,10,14,第二关,先圈出10根,再计算。,9 +,3,=,9 +,8,=,12,17,第三关,算一算,比一比,9+1+1=,9+2=,9+1+8=,9+9=,11,11,18,18,第四关,9+,1,=1,0,9+,2,=1,1,9+,3,=1,2,9+,4,=1,3,9+,5,=1,4,9+,6,=1,5,9+,7,=1,6,9+,8,=1,7,9+,9,=1,8,你发现了什么?,你学会了什么?,九加九,不用怕,借一个,凑成十,计算起来对又快,。,
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