ttjq.net
当前位置:首页 >> 0.67x7.2 +6.7x0.28的简便算式怎么写? >>

0.67x7.2 +6.7x0.28的简便算式怎么写?

=0.67Ⅹ7.2+0.67×2.8 =0.67×(7.2+2.8) =6.7

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