小数乘法简便计算精选一线教师 倾情奉献 129Word格式文档下载.docx
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11-0.433
7.6×
2500.19×
99
0.5×
9.92×
201.4×
1005
0.25×
4.54×
0.041.8×
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7.9
5.8×
5.8=______×
250×
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0.96
7.33×
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2×
2.50.99×
101
0.36×
201.3×
0.025×
6.1×
404.1×
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0.172×
0.125×
8099×
0.39
8.46×
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2.4×
250.55×
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0.22.2×
1003
1.2×
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9.6+4.2×
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7.82=______×
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0.0021001×
0.77
3.19×
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998
0.05×
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1002
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3.9
9.7×
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0.003×
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0.14
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250.74×
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21.4×
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0.15
5.99×
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98
2.8×
8.83×
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4.5×
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1.25×
0.75
8.96×
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101-0.974
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4.08×
22.2×
103
8.01×
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9.4×
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0.477×
0.28
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4101×
0.67
6.74×
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2500.44×
3.05×
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9.4