五年级数学上册小数乘法简便计算精选 127Word下载.docx

五年级数学上册小数乘法简便计算精选 127Word下载.docx

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99＋6.410.561×

10001－0.561

3.2×

250.88×

98

0.05×

7.06×

0.022.4×

1001

0.51×

0.45.4×

9.9＋4.6×

9.9

9.2×

6.84＝______×

0.025×

（0.85×

4）＝（______×

6.6×

2.7＋3.4×

2.7＝（______＋______）×

0.525×

2.5×

40099×

0.13

8.99×

999＋8.990.261×

10001－0.261

5.2×

2500.34×

102

0.5×

7.27×

2002.4×

105

8.18×

4006.7×

7.3＋3.3×

7.3

4×

8.47＝______×

（0.42×

400）＝（______×

3.9×

2.7＋6.1×

0.002×

4001001×

0.34

8.94×

99＋8.940.153×

10001－0.153

2.8×

0.0250.14×

998

3×

21.1×

1003

4.77×

0.043.1×

9.3＋6.9×

9.3

0.8×

6.79＝______×

250×

（0.88×

5.4×

2.4＋4.6×

2.4＝（______＋______）×

0.764×

50×

0.2999×

0.42

7.13×

999＋7.130.183×

1001－0.183

250.63×

4.23×

0.22.2×

103

1.12×

0.44.3×

4.6＋5.7×

4.6

2.4×

2.52＝______×

（0.66×

0.04）＝（______×

3.5×

9.1＋6.5×

9.1＝（______＋______）×

0.701×

8999×

0.87

4.82×

999＋4.820.249×

10001－0.249

2500.35×

99

5.88×

0.021.4×

4007.2×

5.7＋2.8×

5.7

0.6＝______×

（0.77×

1.1×

4.7＋8.9×

4.7＝（______＋______）×

0.041×

0.00299×

0.65

9.56×

9＋9.560.745×

1001－0.745

6.8×

2.50.14×

1002

2.2×

22.3×

1005

49.4×

8.5＋0.6×

8.5

8.7×

5.2＝______×

（0.95×

0.4）＝（______×

6.5×

9.9＋3.5×

9.9＝（______＋______）×

0.424×

0.125×

0.8101×

8.78×

99＋8.780.667×

1001－0.667

6×

0.0250.91×

0.48×

9.83×

4000.6×

5.1＋9.4×

5.1

7.8×

1.72＝______×

（0.53×

7.9×

2.2＋2.1×

2.2＝（______＋______）×

0.185×

800101×

0.17

7.33×

9999＋7.330.754×

10001－0.754

0.250.67×

4.8×

202.4×

9.46×

47.9×

1.3＋2.1×

1.3

9.1×

3.71＝______×

（0.96×

8.4×

4.8＋1.6×

4.8＝（______＋______）×

0.194×

0.41

4.99×

999＋4.990.616×

101－0.616

0.250.28×

6.1×

2001.5×

104

0.040.5×

4.4＋9.5×

4.4