xcxd.net
当前位置:首页 >> 4500/250的简便计算怎么做? >>

4500/250的简便计算怎么做?

450/25=5*90/5*5=90/5=18

4500/250 =450/25 =(500-50)/25 =500/25-50/25 =20-2 =18

4500÷250 =(4500÷50)÷(250÷50) =90÷5 =9×10÷5 =9×2 =18

4500除以250运用商不变性质列竖式计算 4500÷250=450÷25=90÷5=18

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