shwq.net
当前位置:首页 >> 3.6×0.99列竖式计算 >>

3.6×0.99列竖式计算

3.6 x0.99 334 297 631

0.99 x 100 ——- 99

请在此输入您的回答

0.99×25 =(1-0.01)×25 =1×25-0.01×25 =25-0.25 =24.75

871.2÷0.99=880.0

0.99÷4.2 ≈ 0.2357 ≈ 0.236 ≈ 0.24 除不尽的

解:通项公式是an=1-10^-n(n为正整数)

2.45x9.9-4.5x0.99 =2.45×9.9-0.45×9.9 =(2.45-0.45)×9.9 =2×9.9 =2×(10-0.1) =2×10-2×0.1 =20-0.2 =19.8

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