五年级数学上册小数乘法简便计算精选 40Word格式文档下载.docx

五年级数学上册小数乘法简便计算精选 40Word格式文档下载.docx

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101－0.491

1.2×

2500.91×

102

0.05×

1.38×

202.1×

105

0.25×

8.2×

406.8×

3.6＋3.2×

3.6

0.8×

2.98＝______×

25×

（0.14×

0.4）＝（______×

3.7×

6.3＋6.3×

6.3＝（______＋______）×

0.06×

0.025×

4101×

0.16

3.55×

999＋3.550.752×

10001－0.752

2.8×

0.0250.34×

1001

0.5×

2.86×

0.021.5×

8.11×

403.4×

9.1＋6.6×

9.1

5.7×

1.59＝______×

（0.95×

0.04）＝（______×

4.9＋6.3×

4.9＝（______＋______）×

0.825×

400101×

0.24

2.76×

9999＋2.760.837×

10001－0.837

2.50.84×

1002

2.52×

201.1×

103

8.87×

0.47.5×

8.6＋2.5×

8.6

5.46＝______×

（0.64×

2.3×

8.7＋7.7×

8.7＝（______＋______）×

0.303×

0.41001×

0.96

7.28×

999＋7.280.595×

1001－0.595

5.6×

0.250.87×

999

4.01×

0.21.1×

104

8.23×

0.41.3×

8.7＋8.7×

8.7

5.3×

9.25＝______×

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4）＝（______×

5.9×

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5.5＝（______＋______）×

0.171×

1.25×

0.8999×

0.65

1.47×

999＋1.470.564×

10001－0.564

8×

2.50.17×

998

1.05×

2.08×

4003.4×

2.2＋6.6×

2.2

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1.61＝______×

（0.43×

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4.4＝（______＋______）×

0.938×

4001001×

0.23

4.32×

9＋4.320.828×

1001－0.828

0.250.68×

2.26×

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2.69×

406.6×

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（0.71×

40）＝（______×

5.2×

5.8＋4.8×

5.8＝（______＋______）×

0.506×

0.125×

801001×

0.63

3.66×

9999＋3.660.947×

101－0.947

2×

2.50.53×

5.77×

22.2×

1003

9.67×

405.8×

4.9＋4.2×

4.9

7.4×

6.98＝______×

8.7×

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9.6＝（______＋______）×

0.807×

0.04101×

0.41

8.33×

9999＋8.330.437×

1001－0.437

2500.93×

98

6.85×

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4.84×

4002×

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7.9

3.2×

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0.081001×

0.31

3.56×

9＋3.560.863×

101－0.863

2.50.25×

101

6.76×

0.22.3×

1004

5.94×

403.1×

9.7＋6.9×

9.7