小数乘法简便计算精选一线教师 倾情奉献 18Word格式文档下载.docx
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10001-0.254
6.4×
2.50.24×
101
0.5×
1.54×
2002.4×
105
0.25×
7.88×
401.1×
3.7+8.9×
3.7
2.1×
0.1=______×
(0.55×
0.4)=(______×
7.9×
3.6+2.1×
3.6=(______+______)×
0.126×
500×
0.00299×
0.57
3.36×
9999+3.360.358×
101-0.358
6×
250.72×
998
6.77×
2002.5×
1005
0.35×
4005.2×
5.3+4.8×
5.3
7.1×
5.2=______×
0.025×
(0.09×
6.6×
4.4+3.4×
4.4=(______+______)×
0.296×
12.5×
899×
0.87
2.88×
9999+2.880.293×
11-0.293
5.2×
250.78×
1002
0.05×
1.85×
22.5×
103
3.29×
0.43.8×
5.5+6.2×
5.5
8.3×
4.28=______×
25×
(0.87×
4)=(______×
1.6×
5.3+8.4×
5.3=(______+______)×
0.4×
4099×
0.37
7.81×
99+7.810.779×
1001-0.779
0.0250.25×
6.64×
2002.2×
0.63×
0.045.6×
7.9+4.4×
7.9
5×
4.82=______×
250×
(0.77×
8.5×
7.1+1.5×
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0.85×
1.25×
80101×
0.88
6.61×
999+6.610.987×
1001-0.987
7.6×
2500.72×
6.32×
2001.2×
1003
6.99×
46.7×
4.6+3.3×
4.6
5.8×
5.53=______×
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0.635×
50×
0.299×
0.41
9.54×
999+9.540.575×
1001-0.575
8×
0.0250.92×
102
7.06×
2002.3×
8.52×
404.8×
5.3+5.2×
1.1×
3.62=______×
(0.66×
400)=(______×
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0.143×
0.21
4.92×
9999+4.920.416×
101-0.416
2.4×
250.67×
999
1.57×
0.021.3×
7.83×
44.7×
1.4+5.3×
1.4
3.5×
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7.8×
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0.064×
0.0899×
0.65
2.66×
999+2.660.276×
11-0.276
2.50.11×
7.68×
202.1×
104
0.13×
407.7×
5.6+2.3×
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3.76=______×
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0.967×
0.081001×
0.38
3.35×
999+3.350.671×
11-0.671
0.8×
0.250.75×
4.53×
201.1×
1004
5.23×
4000.8×
2.5+9.2×
2.5