来自潘若愚的问题
4.2-0.6x=3.6x5x+2x=33.67x-4x=0.752x+7x+2.1=1256x-32x-119=361x+5=2x3x+9=6x4x-28=2x2x+18=7x5x=25*4-15x7x-x+2*3=29.4(28.8+5.5x+3.2）除2=71
4.2-0.6x=3.6x5x+2x=33.67x-4x=0.752x+7x+2.1=1256x-32x-119=361x+5=2x3x+9=6x4x-28=2x2x+18=7x5x=25*4-15x7x-x+2*3=29.4(28.8+5.5x+3.2）除2=71
2回答
2020-05-30 00:07