五年级数学上册小数乘法简便计算30Word下载.docx
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五年级数学上册小数乘法简便计算30Word下载.docx
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4.5+5.5×
4.5=(______+______)×
0.743×
400101×
0.93
4.38×
999+4.380.993×
10001-0.993
2.4×
0.250.41×
98
6.35×
0.21.5×
1002
3.77×
0.043.8×
5.3+6.2×
5.3
8.9×
0.02=______×
(0.7×
40)=(______×
4.4×
5.6+5.6×
5.6=(______+______)×
0.363×
0.041001×
0.53
1.11×
9+1.110.492×
1001-0.492
3.6×
250.19×
102
5.88×
201.5×
4.48×
48.8×
5.6+1.2×
5.6
2.3×
4.59=______×
(0.4×
9.5+6.4×
9.5=(______+______)×
0.825×
499×
0.73
8.17×
999+8.170.739×
11-0.739
4.8×
0.250.46×
99
0.83×
201.4×
105
3.67×
0.045.7×
5.2+4.3×
5.2
1.2×
1.34=______×
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4)=(______×
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1.7=(______+______)×
0.898×
40099×
0.11
8.13×
99+8.130.283×
10001-0.283
6×
0.0250.79×
101
2.76×
201.1×
1.1×
0.046.7×
7.3+3.3×
7.3
8.14=______×
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7.2×
9.1+2.8×
9.1=(______+______)×
0.321×
0.05×
0.299×
0.54
5.35×
99+5.350.399×
101-0.399
2.50.92×
9.1×
202.2×
1005
8.89×
4000.2×
7.9+9.8×
7.9
6.4×
2.03=______×
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3.7×
9.8+6.3×
9.8=(______+______)×
0.212×
0.18
3.43×
99+3.430.314×
11-0.314
0.0250.58×
8.11×
202.3×
104
4.05×
46.1×
8.2+3.9×
8.2
9.3×
0.89=______×
(0.1×
1.7×
8.4+8.3×
8.4=(______+______)×
0.813×
0.125×
800101×
0.65
5.79×
9999+5.790.841×
11-0.841
2.8×
2500.14×
0.6×
202.1×
1003
4.49×
46.7×
7.6+3.3×
7.6
5.7×
0.26=______×
250×
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5.3×
9.1+4.7×
0.788×
500×
0.002999×
0.35
7.25×
9+7.250.946×
101-0.946
2500.36×
3.53×
21.3×
2.35×
409.4×
4.2+0.6×
4.2
7.3×
2.48=______×
(0.01×
400)=(______×
6.9×
3.1+3.1×
3.1=(______+______)×
0.355×
5×
0.2999×
0.12
5.72×
9+5.720.659×
10001-0.659
2.50.44×
2002.2×
8.42×
0.049.5×
6.3+0.5×
6.3
9.93=______×
(0.85×
1.2+5.2×
1.2=(______+______)×
0.331×
8001001×
0.85
3.76×
9999+3.760.496×
101-0.496
2.50.17×
7.95×
0.022.5×
4.09×
0.46.9×
1.8+3.1×
1.8
8.44=______×
(0.61×
4.2+5.5×
4.2=(______+______)×
0.023×
0.51
9.71×
99+9.710.217×
10001-0.217
250.18×
8.18×
4006.3×
1.2+3.7×
1.2
0.4×
3.66=______×
4.6×
6.5+5.4×
6.5=(______+______)×
0.304×
800999×
0.23
4.62×
99+4.620.552×
11-0.552
0.250.44×
999
8.99×
0.022.3×
0.34×
41.8×
1.2+8.2×
4.7×
4.63=______×
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9.3+3.6×
9.3=(______+______)×
0.646×
0.49
4.27×
999+4.270.653×
101-0.653
2500.59×
7.96×
0.022.4×
9.93×
0.44×
1.5+6×
1.5
7.6×
9.17=______×
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9.6×
7.8+0.399999999999999×
0.699×
1.25×
0.08101×
0.97
2.93×
99+2.930.653×
11-0.653
0.8×
2500.28×
1.12×
201.2×
0.41.7×
4.9+8.3×
4.9
1.78=______×
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1.5×
1.9+8.5×
1.9=(______+______)×
0.844×
0.86
2.44×
9+2.440.681×
11-0.681
0.250.35×
9.88×
2001.5×
4.32×
49.6×
2.9+0.399999999999999×
2.9
1.9×
7.64=______×
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5.8×
3.5+4.2×
3.5=(______+______)×
0.185×
12.5×
899×
0.83
5.96×
99+5.960.474×
10001-0.474
250.86×
4.97×
5.13×
4000.5×
7.1+9.5×
7.1
2×
2.72=______×
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0.42×
0.899×
7.32×
99+7.320.176×
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0.250.13×
2001.4×
9.23×
47.1×
4.9+2.9×
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4.1×
9.1+5.9×
0.444×
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0.26
999+9.880.641×
11-0.641
0.250.87×
2002.5×
2.07×
4005.5×
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0.0021001×
0.46
2.94×
99+2.940.562×
101-0.562
3.2×
2.50.31×
7.19×
201.3×
4.56×
401.6×
2.1+8.4×
2.1
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