小数乘法简便计算精选一线教师 倾情奉献 159Word格式文档下载.docx

小数乘法简便计算精选一线教师 倾情奉献 159Word格式文档下载.docx

《小数乘法简便计算精选一线教师 倾情奉献 159Word格式文档下载.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 159Word格式文档下载.docx（5页珍藏版）》请在冰豆网上搜索。

7.54×

999＋7.540.981×

101－0.981

6.8×

2.50.59×

98

0.05×

7.42×

21.2×

1004

0.025×

5.99×

408.3×

6.4＋1.7×

6.4

9.6×

6.66＝______×

250×

（0.53×

4）＝（______×

5.2×

9.2＋4.8×

9.2＝（______＋______）×

0.023×

0.00299×

0.88

3.97×

99＋3.970.737×

101－0.737

0.0250.92×

998

0.5×

0.96×

102

0.25×

3.46×

0.47.5×

5.8＋2.5×

5.8

0.6×

7.59＝______×

2.5×

（0.52×

400）＝（______×

7.2×

6.6＋2.8×

6.6＝（______＋______）×

0.372×

0.21001×

0.62

3.23×

99＋3.230.927×

11－0.927

1.6×

2500.21×

3.72×

21.4×

1003

2.07×

49.3×

1.5＋0.699999999999999×

1.5

1.1×

1.42＝______×

（0.26×

8.1×

9.5＋1.9×

9.5＝（______＋______）×

0.284×

5×

0.0021001×

0.29

8.93×

99＋8.930.424×

101－0.424

2.50.38×

1002

3.9×

201.3×

103

5.65×

408.2×

6.1＋1.8×

6.1

6.2×

3.06＝______×

（0.55×

8.8×

9.6＋1.2×

9.6＝（______＋______）×

0.807×

0.4999×

0.35

1.63×

9＋1.630.976×

10001－0.976

3.6×

250.11×

101

1.58×

0.21.5×

105

0.81×

0.46.9×

4.3＋3.1×

4.3

9.5×

1.01＝______×

（0.12×

9.4＋4.8×

9.4＝（______＋______）×

0.555×

50×

0.72

8.57×

999＋8.570.997×

10001－0.997

0.0250.86×

0.68×

2002.5×

104

0.73×

405.4×

1.9＋4.6×

1.9

8.7×

2.68＝______×

（0.49×

0.04）＝（______×

2.1×

3.3＋7.9×

3.3＝（______＋______）×

0.591×

0.0299×

0.81

5.83×

9＋5.830.548×

1001－0.548

2.4×

0.0250.81×

999

1.39×

0.22.5×

1005

4.83×

402.1×

5.6＋7.9×

5.6

5.3×

8.37＝______×

（0.84×

5.7×

6.3＋4.3×

6.3＝（______＋______）×

0.901×

0.2999×

0.14

5.51×

9＋5.510.434×

10001－0.434

2500.61×

7.13×

3.58×

4002×

6.3＋8×

6.3