乘法简便计算20

1、小数乘法简便计算强烈推荐308724.27.2587.21.257.54.10.75699.90.48.22.51.60.250.125790.81.41.81.48.22.50.540.040.29300884.21.25349.9324。

2、小数乘法简便计算强烈推荐152.50.80.040.27500388.40.1257010.1964.69.6542.41.256.78.10.67529.90.48.42.50.8251.25870.86.56.46.53.6250.69。

3、小数乘法简便计算强烈推荐213250.740.29500285.41.258710.1131.61.3840.81.254.71.10.47679.942.70.250.4251.251588.298.21250.860.040.24200。

4、小数乘法简便计算强烈推荐1930.044.12.54251.25820.826.823.2250.680.040.24400487.10.125599.9454.54.555812.58.47.10.84489.90.040.30.252。

5、小数乘法简便计算强烈推荐6745.4251.60.251.259483.71.93.78.10.250.7640.29200582.51.251810.1543.15.4695.612.51.25.10.12469.90.41.92.50。

6、小数乘法简便计算强烈推荐62145.41.4462.40.1255.31.10.535210.10.040.82.542.50.12560.83.65.93.64.1250.7240.2530040.88.50.125739.9771.57。

7、小数乘法简便计算强烈推荐1000.42.5253.20.250.1257281.78.51.71.5250.60.40.2920060.83.212.5299.9822.58.2755.61.254.38.10.43179.90.43.50。

8、小数乘法简便计算强烈推荐122213.72.163812.59.89.10.98959.90.047.92522.50.125640.88.21.88.28.2250.590.040.23200688.912.5939.9954.19.55。

9、小数乘法简便计算强烈推荐2860.044.52.52.82.512.5930.86.61.46.68.60.250.560.040.2530030.88.412.5289.9662.26.6783.20.1255.78.10.57149.9。

10、小数乘法简便计算强烈推荐6144.3251.6251.25940.81.22.71.27.32.50.6840.24200788.20.125199.9345.43.4462.412.57.31.10.73209.943.9254251.2。

11、温州市广场路小学 黄建丹,分数乘法的简便运算,浙江省农村中小学现代远程教育工程资源,小学数学人教版六年级上册第二单元,前测题,前测题,25984,1.250.98,49,518,25498100989800,乘法交换律:abba,乘法结合。

12、一乘法交换律与结合律的运用.一乘法交换律与结合律的运用.1乘法交换律:两个因数交换位置,积不变.这叫做乘法交换律.1乘法交换律:两个因数交换位置,积不变.这叫做乘法交换律.用字母表示:用字母表示:abba2乘法结合律:三个数相乘,先把前两个。

13、小数乘法简便计算强烈推荐1052.50.660.040.275004850.1252410.1813.68.1641.61.258.73.10.878410.10.040.70.2520.2512.52081.52.81.57.22.50。

14、小数乘法简便计算强烈推荐351250.540.40.2410080.82.60.125259.9241.52.4852.40.1253.31.10.334410.10.49.90.252.40.2512.52581.15.31.14.725。

15、小数乘法简便计算强烈推荐1262.50.880.040.2120090.84.10.125339.9753.87.5626.412.55.74.10.57329.90.40.9250.82.512.58983.39.43.30.60.250。

16、小数乘法简便计算强烈推荐11695.56.94580.1259.24.10.922910.141.30.250.42.512.5640.89.26.39.23.7250.530.40.2420010.82.212.53110.1521.25。

17、小数乘法简便计算强烈推荐2250.250.990.040.2120010.88.11.25199.9473.54.7656.40.12576.10.7839.949.3251.62512.53583.43.23.46.80.250.640。

18、小数乘法简便计算强烈推荐3370.46.6252.82.51.253585.98.95.91.12.50.890.40.2340080.86.512.52010.1743.17.4691.61.258.84.10.88819.90.042。

19、小数乘法简便计算强烈推荐144250.480.040.23100888.11.259610.1274.42.7560.812.54.83.10.485710.10.049.12.50.42512.5890.83.36.83.33.20.25。

20、小数乘法简便计算强烈推荐1645.50.252.82.512.58783.89.33.80.7250.5340.21400182.712.56210.1181.81.8824.80.1257.57.10.755410.10.49.20.25。

21、分数简便计算 20 8 1 1 6 1 7 5 9 7 9 7 6 9 6 7 1 7 1 6 5 1 3 2 3 2 5 2 5 10 1 1 4 4 2 5 9 5 9 5 5 13 4 3 7 7 1 7 1 1 4 6 6 4 6 。

22、乘法和简便计算常规作业111月4日12690 93115 7404 55820 75510 4278973 1365736 564199 56497 58299张阿姨每时采摘123千克脐橙,张阿姨32时采摘脐橙多少千克 李叔叔每天包装324。