(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
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(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
(3+0.2x)-(0.2+0.03x)*20=0.75*0.2
3+0.2x-4-0.6x=0.15
-0.4x=1.15
x=-23/8
-3(2X-1)+5(X-4)=X-1求X的解x-3/0.2-x+4/0.1=5求x的值
解方程:8x -4.5÷0.2=16 3(x+30)=6x+30 3-(5-2x)=x+273x-(67-84x)-14=76 15-(7-5X)=2X(11-3X) X+(X+10)+(x+8)=36×3 11×(4-x)+15×(4-X)=30
(X-210+0.2X):(210-0.2X)=3:2
3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2(X-1])】=2(X-3
(1+0.2)X=(X-64)/0.
要列式1/12x(-6)+(-1/2) 4x1x(-5) 3x(-2)x(-6)x(-5) (-5)x 8 x(-6)x(-0.25) (-0.125)x (-7) x 5 x(-16) (8/15)x 1.25 x 9/2(-3)x 5/6 x(-0.2)x(-2/7) (-2)x(-6/5)x 10/3 x(-1/4) (-19/14)x 3
化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2
1.已知:x+y=0.2,x+3y=1,求3x^2+12xy+12y^2的值.2.化简:(1) (x^2-6x+9)/(x^2-4)(2) (x^2-4x)/(x^2-8x+16)3.解方程:(1) 1/(x-4)=4/(x^2-16)(2) 3/(x-1)-(x+2)/[x(x-1)]=0(3) (2-x)/(x-3)+1/(3-x)=1如果过程写得好,
(1.7-2x)/0.3=x/0.7-1,(3+0.2x)/0.2-(0.2+0.03x)/0.01=0.75
5x+3=x-4,4y+11=22,11x+68-2x=100-9x,0.1x/0.2-(0.27x+0.18)/0.04=1,(x-1)/2=2-(x+2)/3
0.3x+7x-0.25x=21.58.7×(36-x)=04(不知道是x还是× 都解了吧)x或者×(x+0.2)=1.27(x+6)-3x=4x(2x+5)3(x+2)=4(x+1)18-4x=2x-63.8x+1.2x=256x+1.5x=15呼呼.累死我了 着急
(x-3)/0.5-(x+4)/0.2=1.6
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