yhkn.net
当前位置:首页 >> 脱式计算(能简算的要简算).21.5÷[(6.07+2.53)... >>

脱式计算(能简算的要简算).21.5÷[(6.07+2.53)...

(1)21.5÷(6.07+2.53)=21.5÷8.6 =2.5(2)9.6÷0.16÷0.3=60÷0.3=200(3)[20-(90.75÷66+2.2)]×0.6=[20-(1.375+2.2)]×0.6=[20-3.575]×0.6=16.425×0.6=9.855(4)0.98×100.1=0.98×(100+0.1)=0.98×100+0.98×0.1=98+0.098=98.098

21.5÷【(6.07+2.53)×0.5】简算 解: 21.5÷【(6.07+2.53)×0.5】 =21.5÷(8.6×0.5) =21.5÷4.3 =5

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