五年级数学上册小数乘法简便计算专项练习77Word文档下载推荐.docx

五年级数学上册小数乘法简便计算专项练习77Word文档下载推荐.docx

《五年级数学上册小数乘法简便计算专项练习77Word文档下载推荐.docx》由会员分享，可在线阅读，更多相关《五年级数学上册小数乘法简便计算专项练习77Word文档下载推荐.docx（9页珍藏版）》请在冰豆网上搜索。

9.9

3.1×

9.92＝______×

25×

（0.37×

4）＝（______×

4.2×

5.7＋5.8×

5.7＝（______＋______）×

0.625×

4101×

0.83

4.75×

999＋4.750.697×

11－0.697

7.6×

250.53×

102

6.15×

0.021.5×

1003

4.97×

43.5×

2.9＋6.5×

2.9

0.3×

5.19＝______×

（0.27×

9.3×

1.3＋0.699999999999999×

1.3＝（______＋______）×

0.494×

12.5×

0.8999×

0.22

8.55×

99＋8.550.865×

101－0.865

6.4×

2500.91×

98

8.56×

2002.1×

104

7.83×

409.9×

4.7＋.0999********×

4.7

4.39＝______×

（0.5×

400）＝（______×

1.7×

2.3＋8.3×

2.3＝（______＋______）×

0.846×

0.0499×

0.85

1.29×

999＋1.290.285×

101－0.285

0.4×

0.0250.64×

999

0.05×

9.66×

2001.1×

4.33×

0.44.7×

4.6＋5.3×

4.6

8.3×

8.33＝______×

（0.1×

0.04）＝（______×

6.6×

9.7＋3.4×

9.7＝（______＋______）×

0.318×

0.17

5.61×

99＋5.610.458×

101－0.458

0.250.22×

1001

4.8×

22.4×

103

0.89×

48.3×

2.2＋1.7×

2.2

4×

1.13＝______×

（0.43×

0.4）＝（______×

2.7×

2.4＋7.3×

2.4＝（______＋______）×

0.337×

0.041001×

0.77

2.15×

9999＋2.150.622×

11－0.622

7.2×

2500.71×

9.67×

0.21.3×

6.9×

404.7×

1.8＋5.3×

1.8

5×

3.96＝______×

（0.04×

7.3×

4.7＋2.7×

4.7＝（______＋______）×

0.532×

0.0021001×

0.26

9.11×

99＋9.110.764×

101－0.764

0.250.14×

4.89×

201.4×

2.74×

0.45.9×

1.7＋4.1×

1.7

3×

5.18＝______×

（0.95×

7.7×

8.5＋2.3×

8.5＝（______＋______）×

0.513×

0.125×

81001×

0.72

5.69×

9＋5.690.598×

101－0.598

0.8×

0.250.32×

998

8.68×

21.5×

101

7.94×

4009.8×

3.8＋0.199********9999×

3.8

4.6×

5.56＝______×

3.3×

3.3＋6.7×

3.3＝（______＋______）×

0.817×

1.25×

801001×

0.41

3.34×

9999＋3.340.432×

1001－0.432

4.4×

2500.66×

99

8.98×

202.3×

8.12×

4000.8×

9.3＋9.2×

9.3

9.2×

6.19＝______×

（0.71×

6.1×

8.3＋3.9×

8.3＝（______＋______）×

0.39×

4001001×

7.26×

9999＋7.260.564×

101－0.564

5.2×

0.0250.89×

3.06×

201.3×

9.57×

0.43.9×

7.9＋6.1×

7.9

9.4×

9.61＝______×

2.5＋6.2×

2.5＝（______＋______）×

0.689×

0.2999×

0.14

3.86×

999＋3.860.916×

10001－0.916

250.59×

1.37×

202.2×

8.47×

4006.3×

4.1＋3.7×

4.1

7.9×

5.12＝______×

（0.79×

8.1＋5.2×

8.1＝（______＋______）×

800101×

0.11

4.68×

99＋4.680.682×

101－0.682

0.0250.77×

2.83×

0.22.5×

8.89×

4003.8×

2.7＋6.2×

2.7

3.2＝______×

（0.91×

3.7＋2.8×

3.7＝（______＋______）×

0.631×

0.8101×

0.67

8.97×

9999＋8.970.577×

101－0.577

0.250.15×

2.79×

0.22.3×

5.97×

48.4×

1.8＋1.6×

7.4×

4.21＝______×

（0.99×

6.2×

4.9＋3.8×

4.9＝（______＋______）×

0.752×

500×

0.021001×

0.87

3.41×

99＋3.410.356×

10001－0.356

3.2×

2500.64×

6.8×

0.022.3×

4.65×

0.042×

6.9＋8×

6.9

5.07＝______×

5.5×

4.1＋4.5×

4.1＝（______＋______）×

0.493×

0.41001×

2.53×

99＋2.530.469×

101－0.469

1.2×

250.76×

5.22×

202.5×

7.35×

404×

6.4＋6×

6.4