mwbr.net
ǰλãҳ >> Xһ1حʮح2Xһ1حʮح3Xһ1حʮح4Xһ1lʮح5Xһ1... >>

Xһ1حʮح2Xһ1حʮح3Xһ1حʮح4Xһ1lʮح5Xһ1...

Ҫֶμ㣬: ٵ2x+3

5x+2=4(x+1) 5x+2=4x+4 5x-4x=4-2 x=2

㽶ÿǧ0.4x4=1.6Ԫ ƻÿǧ1.6+0.42Ԫ

ãĿǰۼΪ1399ԪʵǻΪȨĵ棬λ͹һµġ

վҳ | վͼ
All rights reserved Powered by www.mwbr.net
copyright ©right 2010-2021
磬ַϵͷzhit325@qq.com