来自黄水红的问题
1.10-4(x+3)=2(x-1).2.1/3(6x-3)-1/2(8x-4)=5.3.x-3(1-2x0=9.4.2(x-3)-3(x-5)=7(x-1)x=?
1.10-4(x+3)=2(x-1).2.1/3(6x-3)-1/2(8x-4)=5.3.x-3(1-2x0=9.4.2(x-3)-3(x-5)=7(x-1)x=?
3回答
2020-07-29 21:06