0.1x/0.2-0.01x-0.01/0.06=x-1/3怎么算
0.1x/0.2-0.01x-0.01/0.06=x-1/3怎么算
(2x+1)²-(x+3)(3-x)=6x怎么简便算?
(X-3)/(X^2-4)*(X^2-4X+4)/(x^2-x-6)-1/(x+2)怎么算?
7x-3(2/3x+1/5x)-(x+2/5x)+2x,=5x怎么求出
3X+X=16怎么算
X+48=3X怎么算?
X+180=3X怎么算
3(1/3x-1/5x)=x-1-1/3x-1/5x 这道题怎么算?
0.8x+3=1.2x+0.2怎么求x
(1)3x(x+0.2)=4x(x-1.1)
x-3=x(x-3) 怎么算?
2(x-1)(x+5)-3(x-2)-4x=2x的平方+7方程题怎么算?