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三年级数学下册二《图形的运动》轴对称（二）习题北师大版.doc

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1轴对称（二） 1. 用竖式计算726= 857= 955= 805= 755= 483= 905= 783= 2. 竖式计算6093= 7217= 3055= 8244= 3123 4142= 5155= 6153= 3. 列竖式计算8408= 9459= 7497= 6366= 3273= 8168= 2答案1. 12 121 19 16 15 16 18 262. 203 103 65 206 104 212 103 2033. 105 105 107 106 109 102

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