心算练习题库.docx
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心算练习题库
心算练习题库
-------答*题*纸-----题数(1000)----类型(加法、减法混合)----
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676-233=492-386=500+9=474-139=
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831+60=389+270=419-119=203-10=
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872+46=417-122=697+225=530-513=
537-20=777-468=388+577=576+129=
339+618=758-183=718-468=711-172=
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33+251=933-52=91+396=762-329=
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736-147