小数乘法简便计算精选一线教师 倾情奉献 45Word文档下载推荐.docx

小数乘法简便计算精选一线教师 倾情奉献 45Word文档下载推荐.docx

《小数乘法简便计算精选一线教师 倾情奉献 45Word文档下载推荐.docx》由会员分享，可在线阅读，更多相关《小数乘法简便计算精选一线教师 倾情奉献 45Word文档下载推荐.docx（6页珍藏版）》请在冰点文库上搜索。

10001－0.618

4.8×

2500.64×

99

0.05×

9.42×

0.21.5×

1005

0.025×

9.16×

47.6×

8.5＋2.4×

8.5

6.8×

3.03＝______×

0.25×

（0.89×

40）＝（______×

7.2×

2.7＋2.8×

2.7＝（______＋______）×

0.866×

1.25×

899×

0.26

4.55×

99＋4.550.377×

1001－0.377

0.250.94×

998

1.21×

22.3×

7.87×

4000.9×

4.3＋9.1×

4.3

9.8×

0.39＝______×

（0.85×

0.04）＝（______×

1.1×

3.1＋8.9×

3.1＝（______＋______）×

0.591×

4101×

0.89

7.76×

999＋7.760.311×

11－0.311

6.4×

2.50.31×

1001

0.5×

1.93×

202.5×

1002

5.13×

408.4×

5.9＋1.6×

5.9

4.1×

4.19＝______×

（0.67×

4.2×

4.1＋5.8×

4.1＝（______＋______）×

0.153×

4099×

0.95

4.44×

9＋4.440.667×

1001－0.667

5.6×

0.250.27×

102

5.37×

202.3×

9.36×

4008.2×

1.2＋1.8×

1.2

4.7×

5.2＝______×

（0.61×

3.3×

5.4＋6.7×

5.4＝（______＋______）×

0.492×

0.0021001×

0.67

9.45×

9＋9.450.741×

10001－0.741

8×

0.250.56×

0.93×

0.022.3×

1004

8.05×

4002×

7.5＋8×

7.5

8.1×

1.69＝______×

250×

（0.34×

0.4）＝（______×

9.1×

8.7＋0.9×

8.7＝（______＋______）×

0.158×

50×

0.2101×

0.75

1.99×

999＋1.990.396×

1001－0.396

2.8×

0.0250.52×

3.91×

21.5×

103

8.64×

0.43.1×

8.1＋6.9×

8.1

9.2×

7.64＝______×

（0.41×

7.9×

7.1＋2.1×

7.1＝（______＋______）×

0.059×

40999×

0.27

7.16×

999＋7.160.138×

10001－0.138

0.4×

0.250.17×

101

3.4×

22.4×

1003

6.89×

0.049.4×

3.3＋0.6×

3.3

8.01＝______×

25×

（0.9×

1.7＋7.5×

1.7＝（______＋______）×

0.797×

8999×

0.66

2.31×

9＋2.310.631×

10001－0.631

1.6×

0.0250.39×

3.17×

0.22.4×

7.59×

0.44.6×

8.2＋5.4×

8.2

4.5×

4.79＝______×

（0.84×

9.5×

7.2＋0.5×

7.2＝（______＋______）×

0.105×

5×

0.02101×

0.81

6.48×

99＋6.480.698×

101－0.698

250.15×

4.27×

22.2×

46×

8.7＋4×

8.7