五年级数学上册小数乘法简便计算精选 138Word文件下载.docx

五年级数学上册小数乘法简便计算精选 138Word文件下载.docx

《五年级数学上册小数乘法简便计算精选 138Word文件下载.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精选 138Word文件下载.docx（5页珍藏版）》请在冰豆网上搜索。

2.73×

9＋2.730.411×

1001－0.411

8×

0.250.48×

998

0.5×

9.75×

0.22.2×

101

3.67×

405.4×

2.8＋4.6×

2.8

8.2×

2.39＝______×

25×

（0.6×

4）＝（______×

8.8×

2.8＋1.2×

2.8＝（______＋______）×

0.36×

1.25×

801001×

0.93

1.66×

9999＋1.660.367×

1001－0.367

2.8×

0.0250.56×

98

0.05×

8.97×

0.21.1×

0.25×

4.21×

42.1×

7.4＋7.9×

7.4

9.4×

9.95＝______×

（0.75×

0.4）＝（______×

5.7＋0.6×

5.7＝（______＋______）×

0.062×

0.0899×

0.78

6.63×

9999＋6.630.915×

11－0.915

2.50.35×

102

5.03×

201.3×

104

2.75×

4009×

5.7＋1×

5.7

3.8×

7.98＝______×

250×

（0.94×

9.1×

3.2＋0.9×

3.2＝（______＋______）×

0.189×

0.81001×

0.91

7.13×

99＋7.130.934×

10001－0.934

7.2×

2.50.47×

7.88×

103

0.025×

3.56×

0.47×

8.5＋3×

8.5

1.6×

3.85＝______×

（0.74×

40）＝（______×

5.3×

8.1＋4.7×

8.1＝（______＋______）×

0.998×

80999×

5.76×

99＋5.760.631×

10001－0.631

2×

0.0250.92×

5.28×

21.2×

1005

6.74×

0.043.7×

2.3＋6.3×

2.3

0.23＝______×

（0.27×

1.1×

9.7＋8.9×

9.7＝（______＋______）×

0.489×

400101×

0.49

5.97×

99＋5.970.634×

1001－0.634

3.2×

2.50.53×

99

2.89×

0.21.4×

1001

2.34×

4009.9×

8.4＋.0999********×

8.4

4.4×

6.27＝______×

（0.85×

2.9×

6.1＋7.1×

6.1＝（______＋______）×

0.242×

12.5×

0.899×

0.52

7.16×

99＋7.160.272×

101－0.272

2.50.23×

3.49×

2001.4×

6.33×

0.045.2×

3.8＋4.8×

3.8

8.3×

6.84＝______×

（0.23×

8.7×

3.1＋1.3×

3.1＝（______＋______）×

0.722×

5×

0.21001×

0.37

3.77×

9＋3.770.875×

1001－0.875

0.0250.48×

8.07×

201.2×

4.36×

404.7×

8.5＋5.3×