ldcf.net
当前位置:首页 >> 解方程或比例5x%5×14=0.849:0.8=x3. >>

解方程或比例5x%5×14=0.849:0.8=x3.

(1)5x-5×14=0.8 5x-1.25=0.8 5x-1.25+1.25=0.8+1.25 5x=2.05 5x÷5=2.05÷5 x=0.41(2)49:0.8=x3.6?1.2 0.8x=49×(3.6-1.2) 0.8x÷45=1615÷45 x=43

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