ldcf.net
当前位置:首页 >> 4.7×9.9脱式计算 >>

4.7×9.9脱式计算

4.7×9.9 =4.7×(10-0.1) =4.7×10-4.7×0.1 =47-0.47 =46.53

=9*5=45

9.9*9.9 =(10-0.1)*9.9 =10*9.9-0.1*9.9 =99-0.99 =98.01

3.6×9.9 =3.6×(10-0.1) =3.6×10-3.6×0.1 =36-0.36 =35.64

21.6×9.9 =21.6×(10-0.1) =21.6×10-21.6×0.1 =216-2.16 =213.84

7.8×9.9脱式计算(能简便的就简便) 7.8×9.9 =7.8*(10-0.1) =7.8*10-7.8*0.1 =78-0.78 =77.22

7.8x9.9=7.8x10-7.8*0.1=78-0.78=77.22 希望能够帮到您。

14.7-9.9 =14.7-10+0.1 =4.7+0.1 =4.8 朋友,请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

1.08×9.9 =1.08×(10-0.1) =1.08×10-1.08×0.1 =10.8-0.108 =10.692 你好,本题已解答,如果满意 请点右上角“采纳答案”。

18-7-9 =11-9 =2

网站首页 | 网站地图
All rights reserved Powered by www.ldcf.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com