北师大版四年级数学下册小数乘法综合练习题157Word文档格式.docx
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北师大版四年级数学下册小数乘法综合练习题157Word文档格式.docx
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0.6=0.07×
1000=0.883÷
100=
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1000=69.6÷
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0.87
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