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一年级数学下册第8单元总复习第2课时100以内的加减法课件新人教版.ppt

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第 2 课时 100以内的加减法,5850,1. 整十数加一位数及相应的减法。,苹果应该放到哪个筐里？,504,740,588,50,54,8,47,说说这些口算你是怎样计算的。,2. 两位数加一位数、整十数。,26,32,53,59,说说这几道题你是怎样计算的。,七十几加6 是八十几？,七十几加6还是七十几？,0,1,2,3,4,9,7,8,9,1,2,3,4,5,5,6,7,8,6,0,

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