五年级数学上册小数乘法简便计算专项练习43文档格式.docx
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7.8
0.9×
7.65=______×
25×
(0.92×
40)=(______×
7.5×
1.5+2.5×
1.5=(______+______)×
0.557×
12.5×
8999×
0.56
8.51×
999+8.510.588×
101-0.588
7.6×
250.79×
98
0.5×
0.53×
2001.2×
102
1.92×
0.042.5×
3.2+7.5×
3.2
9.4×
5.29=______×
(0.82×
0.04)=(______×
3.2×
4.5+6.8×
4.5=(______+______)×
0.39×
2.5×
0.499×
0.44
6.94×
9+6.940.373×
1001-0.373
1.6×
0.250.27×
7.02×
2001.5×
101
0.43×
0.45.3×
7.7+4.7×
7.7
0.2×
2.7=______×
(0.63×
6.5×
1.2+3.5×
1.2=(______+______)×
0.706×
0.002999×
0.96
9.89×
9+9.890.168×
101-0.168
4×
2500.82×
999
6.87×
21.3×
1001
7.92×
0.041.7×
1.5+8.3×
1.5
6.1×
7.37=______×
250×
(0.31×
9.1+8.4×
9.1=(______+______)×
0.823×
1.25×
8099×
0.86
2.13×
9+2.130.748×
11-0.748
2.4×
2.50.26×
6.47×
0.99×
0.48.6×
1.6+1.4×
1.6
2.1×
5.37=______×
(0.99×
8.5×
6.2+1.5×
6.2=(______+______)×
0.864×
8101×
0.69
3.18×
9+3.180.135×
101-0.135
1.2×
0.0250.78×
1002
6.66×
202.5×
1.28×
0.47.6×
9.8+2.4×
9.8
4.9×
2.79=______×
(0.59×
3.7×
6.8+6.3×
6.8=(______+______)×
0.228×
0.125×
801001×
7.22×
9999+7.220.128×
1001-0.128
4.4×
2.50.38×
3.26×
0.021.3×
1005
0.22×
4005.2×
5.6+4.8×
5.6
6.4×
1.67=______×
(0.77×
0.4)=(______×
4.1×
4.5+5.9×
0.654×
40999×
0.83
4.13×
9999+4.130.179×
101-0.179
6×
2500.94×
4.5×
0.22.5×
104
1.39×
0.47.5×
9.2+2.5×
9.2
5.47=______×
(0.98×
9.1×
9.3+0.9×
9.3=(______+______)×
0.596×
0.0899×
0.36
9.84×
9+9.840.642×
101-0.642
0.0250.73×
4.14×
2002.1×
5.22×
0.040.1×
5.7+9.9×
5.7
8.93=______×
(0.81×
1.3×
7.8+8.7×
7.8=(______+______)×
0.541×
0.23
9.38×
9999+9.380.194×
101-0.194
2.50.16×
7.53×
21.4×
103
1.72×
4007.8×
4.2+2.2×
4.2
7.1×
9.56=______×
(0.88×
3.6×
9.3+6.4×
0.041001×
9.95×
99+9.950.875×
1001-0.875
0.8×
2.50.68×
9.78×
8.56×
405.1×
1.3+4.9×
1.3
7.2×
6.97=______×
5.3+0.6×
5.3=(______+______)×
0.118×
4101×
0.92
6.27×
9999+6.270.225×
10001-0.225
0.0250.62×
0.12×
0.022.3×
2.82×
4002.6×
1.9+7.4×
1.9
3.3×
9.83=______×
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4.3×
9.3+5.7×
0.975×
6.82×
9999+6.820.989×
1001-0.989
0.250.49×
2.27×
1003
2.78×
4003.3×
9.3+6.7×
9.3
1.1×
2.67=______×
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401001×
2.41×
999+2.410.773×
10001-0.773
8×
0.250.19×
9.17×
21.1×
1.09×
0.046×
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4.5
5.25=______×
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1.3+7.6×
1.3=(______+______)×
0.157×
5×
0.2999×
0.38
4.71×
9999+4.710.572×
1001-0.572
250.26×
3.27×
201.5×
105
1.16×
0.047.3×
1.7+2.7×
1.7