五年级数学上册小数乘法简便计算精选 66Word格式文档下载.docx

五年级数学上册小数乘法简便计算精选 66Word格式文档下载.docx

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0.17

3.36×

999＋3.360.584×

101－0.584

2.8×

2.50.84×

99

0.5×

5.79×

22.4×

105

2.79×

0.046.7×

9.5＋3.3×

9.5

9.4×

5.16＝______×

250×

（0.48×

4.4×

4.3＋5.6×

4.3＝（______＋______）×

0.925×

4999×

0.28

1.38×

999＋1.380.934×

10001－0.934

6.4×

0.0250.87×

98

4.3×

2001.2×

103

3.74×

402.1×

3.6＋7.9×

3.6

5.1×

4.88＝______×

（0.4×

40）＝（______×

6.3×

2.2＋3.7×

2.2＝（______＋______）×

0.6×

1.25×

81001×

0.77

7.45×

9999＋7.450.748×

11－0.748

0.8×

0.0250.55×

102

8.01×

21.5×

1004

4.7×

49.2×

1.1＋0.799999999999999×

1.1

5.6×

6.05＝______×

25×

（0.35×

4）＝（______×

8.6×

7.9＋1.4×

7.9＝（______＋______）×

0.71×

0.041001×

0.88

2.74×

9999＋2.740.595×

1001－0.595

3.6×

250.93×

999

6.16×

0.21.5×

4.33×

0.47.3×

9.4＋2.7×

9.4

5.11＝______×

2.5×

（0.84×

8.1×

7.8＋1.9×

7.8＝（______＋______）×

0.964×

0.125×

8999×

0.64

4.25×

9＋4.250.389×

1001－0.389

5.2×

2500.43×

8.82×

2002.4×

0.44.5×

6.8＋5.5×

6.8

7.6×

7.15＝______×

（0.1×

0.4）＝（______×

4.9×

3.7＋5.1×

3.7＝（______＋______）×

0.828×

800101×

0.83

5.81×

9＋5.810.385×

101－0.385

2.50.77×

7.61×

2001.5×

1003

9.35×

4000.8×

4.1＋9.2×

4.1

8.8×

6.42＝______×

（0.45×

9.5＋5.3×

9.5＝（______＋______）×

0.377×

0.05×

0.2101×

0.27

8.59×

99＋8.590.794×

11－0.794

0.0250.54×

6.68×

0.21.1×

3.67×

401.8×

6.4＋8.2×

6.4

1.16＝______×

5.7＋1.4×

5.7＝（______＋______）×

0.274×

40101×

0.32

5.93×

9＋5.930.673×

1001－0.673

1.6×

250.38×

6.05×

7.36×

0.045.9×

9.1＋4.1×

9.1