(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75 解方程
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(X-210+0.2X):(210-0.2X)=3:2
(1+0.2)X=(X-64)/0.
化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2
3/0.2x-0.1-0.05/(x+2)%=0.1x
未知数x+(x+3)+(x+0.2)等于156 怎么解
0.2(x+6)=3/7(x-8)-x/4
x/0.5-0.4x-0.6/0.2=2(-x+3)
x-2/0.2-x+1/0.5=3 x=?
0.8x+3=1.2x+0.2怎么求x
x-2/0.2-x+1/0.5=3求x
(0.2x+0.5)/0.04+(x-3)/0.6=12x
0.5x+3(0.3-0.2x)≥0.4x
5x+0.2=3x+7.9
(x+1)×(x-1)-2>x×(x+3)解不等式 0.2x-0.3／0.2-x+1／6＜1
(1.2-2x)/0.2-(1.5-2.5x)/0.5-(3x-5)/4=0.急
x-30-0.2x=0.5x
x-0.2x=80 求x
x+3/20x=46 ,x-1/5x=40 ,x-1/2x=3/4 ,x-0.2x=18解方程