www.fltk.net > 5x+14.8=7x%7.2

5x+14.8=7x%7.2

5x+14.8=7x-7.2 14.8+7.2=7x-5x 2x=22 x=11

解:解方程, 此方程的解为x = 8 x - 5x + 7x = 24 ...

求解方程 一.7x+7=14 7x=7 x=1 二.6x+6=12 6x=6 x=1 ...

方法一:用等式的性解答 解:(5x-7)÷3×3=4.8×3 5x-7=14.4 5x-7+7...

网站地图

All rights reserved Powered by www.fltk.net

copyright ©right 2010-2021。
www.fltk.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com