小数乘法简便计算精选一线教师 倾情奉献 110Word格式.docx
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2.50.54×
102
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0.88×
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101
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0.64×
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3.04×
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8.8×
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0.24
6.43×
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2001.5×
1001
7.94×
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0.92
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