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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,*,*,两位数加一位数和整十数,一、算一算,20,7,40,5,30,8,27,45,38,20,20,60,30,30,50,40,90,80,比比看谁都能,算正确。,第一,PPT,模板网,-WWW.1PPT.COM,PPT,模板下载：,PPT,素材下载：,PPT,图表下载：,PPT,教程：,Excel,教程：,PPT,课件下载：,位上。,整十数要加在 位上。,个,十,两位数加整十数或一位数，就是十位加十位，个位加个位,智慧城堡,加油啊！,（一）算一算,62,7,34,4,42,3,38,45,69,64,30,23,30,47,20,53,67,94,6,2,7,3,4,4,4,2,3,3,8,4,5,6,9,6,2,7,3,4,4,4,2,3,3,8,4,5,6,9,6,4,3,0,2,3,3,0,4,7,2,0,5,3,6,7,9,4,6,4,3,0,3,4,2,3,0,3,5,7,9,4,第一,PPT,模板网,-WWW.1PPT.COM,智慧城堡,加油啊！,42+3=,42+30=,5+21=,50+21=,35+4=,35+40=,39,75,42+3=,42+30=,5+21=,50+21=,45,72,5+21=,50+21=,26,71,智慧城堡,加油啊！,52+3,55,43+20,72+6,23+4,33+3,54+20,63,78,74,27,36,找新家：,智慧城堡,加油啊！,3,20,54,4,2,4,5,3,第一,PPT,模板网,-WWW.1PPT.COM,4,2,26,4,2,6,2,2,第一,PPT,模板网,-WWW.1PPT.COM,智慧城堡,加油啊！,65,44,58,76,33,7,（三）帮小鸟找家,4,61,51,7,4,72,41,3,31,2,73,7,4,5,2,9,6,绿色圃中小学教育网,括号里还能不能填其他数字,
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