tfsf.net
当前位置:首页>>关于简便计算12.5x56的资料>>

简便计算12.5x56

12.5x56 =(12.5x8)x7 =100x7 =700

12x35 =6×(2×35) =6×70 =420 85x5x4 15x24 ...

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