ldcf.net
当前位置:首页 >> 1.5x%x=5+5怎么解方程 >>

1.5x%x=5+5怎么解方程

80%x-5/2=1.5 x=(5/2+1.5)/80% =4/80% =5 25%x+9%x=3.4 x=3.4/(25%+9%) =3.4/0.34 =10

(1) 1 3 (X+1.5)=12.5, 1 3 (X+1.5)÷ 1 3 =12.5÷ 1 3 , X+1.5=37.5, X+1.5-1.5=37.5-1.5, X=36;(2)x-28%x=21.6, 0.72x=21.6,0.72x÷0.72=21.6÷0.72, x=30;(3) 3 4 X- 5 8 X= 3 4 , 1 8 X= 3 4 , 1 8 X÷ 1 8 = 3 4 ÷ 1 8 ,...

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