来自毛昌辉的问题
2(x+1)等于64(x-1)等于1-x3-(1+2x)等于-23(2x-1)-2(1-x)2(x+1)等于64(x-1)等于1-x3-(1+2x)等于-23(2x-1)-2(1-x)=0
2(x+1)等于64(x-1)等于1-x3-(1+2x)等于-23(2x-1)-2(1-x)
2(x+1)等于6
4(x-1)等于1-x
3-(1+2x)等于-2
3(2x-1)-2(1-x)=0
7回答
2020-11-06 10:05