五年级数学上册小数乘法简便计算精选 39Word文件下载.docx

五年级数学上册小数乘法简便计算精选 39Word文件下载.docx

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1001－0.171

5.2×

0.0250.39×

98

0.5×

0.81×

0.021.5×

103

0.25×

6.21×

0.45.7×

2.2＋4.3×

2.2

2.6×

9.04＝______×

（0.96×

4）＝（______×

4.9×

3.9＋5.1×

3.9＝（______＋______）×

0.457×

0.125×

81001×

0.75

6.88×

999＋6.880.353×

1001－0.353

3.6×

250.41×

101

9.85×

22.1×

105

2.5×

0.98×

42.2×

3.2＋7.8×

3.2

2.3×

1.34＝______×

250×

（0.58×

40）＝（______×

3.9×

3.4＋6.1×

3.4＝（______＋______）×

0.33×

1.25×

8999×

0.47

5.29×

999＋5.290.386×

10001－0.386

0.8×

0.250.69×

1001

7.65×

0.021.3×

2.61×

408.5×

8.2＋1.5×

8.2

3×

7.39＝______×

（0.6×

6.5×

2.4＋3.5×

2.4＝（______＋______）×

0.534×

4099×

0.26

1.84×

999＋1.840.335×

1001－0.335

2.8×

250.76×

999

0.05×

8.09×

2001.2×

9.37×

0.41.8×

8.6＋8.2×

8.6

9.84＝______×

（0.85×

6.9＋7.2×

6.9＝（______＋______）×

0.116×

8001001×

0.82

2.74×

9＋2.740.711×

11－0.711

1.2×

2500.31×

9.91×

2002.5×

1005

1.7×

405.5×

6.5＋4.5×

6.5

5.03＝______×

0.025×

（0.05×

0.04）＝（______×

8.6×

4.9＋1.4×

4.9＝（______＋______）×

0.464×

0.081001×

0.19

6.16×

9＋6.160.828×

1001－0.828

4.8×

0.250.83×

7.02×

0.021.4×

1002

7.53×

402.6×

9.8＋7.4×

9.8

4.9＝______×

（0.35×

400）＝（______×

6.8×

9.2＋3.2×

9.2＝（______＋______）×

0.61×

4001001×

0.28

7.24×

99＋7.240.976×

101－0.976

0.0250.56×

99

1.66×

0.022.1×

1004

5.76×

408.6×

1.9＋1.4×

1.9

6.6×

1.99＝______×

（0.74×

8.7×

8.8＋1.3×

8.8＝（______＋______）×

0.896×

0.041001×

0.15

8.74×

9＋8.740.657×

101－0.657

2500.21×

3.98×

201.5×

5.48×

405.6×

2.3＋4.4×

2.3

1.3×

2.38＝______×

（0.51×

2.7×

4.8＋7.3×

4.8＝（______＋______）×

0.523×

400101×

0.67

8.26×

999＋8.260.884×

10001－0.884

0.250.49×

2.78×

0.22.1×

0.40.9×

8.7＋9.1×

8.7