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ID：52342434
大小：1.25 MB
页数：18页
时间：2020-04-04
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1、分数的意义张守东把看着“1”2个“1”是24个“1”是4把看着单位“1”5个“1”是5把看着单位“1”6个“1”是61米把看着单位“1”···5················3·······························1······························把看着单位“1”······（）····························（）····························（）把看着单位“1”1米······（）·········
2、·····························（）······································（）把看着单位“1”·······················（）·······（）·······················（）把看着单位“1”······（）····························（）····························（）41把看着单位“1”1米······（）····················
3、······（）···························（）31把看着单位“1”····················（）·······（）···················（）2101单位“1”23
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