人教版四年级下册数学简便计算题500题文档格式.docx
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人教版四年级下册数学简便计算题500题文档格式.docx
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46+64×
3899×
32+3292+99197+102
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539×
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28×
225-2×
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225(42+25)×
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(375+1034)+(966+125)(2130+783+270)+10177755-(2187+755)
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98
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76
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18.32-5.47-4.32
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100.1
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5.44
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44.2×
99
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