5.4x÷2＝10.8

解方程.38+4x=963.9x-1.2x=3.511.6x+x=3.95.4x÷2=10.8解方程.38+4x=963.9x-1.2x=3.511.6x+x=3.95.4x÷2=10.8解方程.38

解方程.38+4x=963.9x-1.2x=3.511.6x+x=3.95.4x÷2=10.8解方程.38+4x=963.9x-1.2x=3.511.6x+x=3.95.4x÷2=10.8解方程.38

6.8＋12÷x＝10.8,14－0.5（x＋3）＝7.8,3.5x－3x－10＝8,7.9－5x＝7.8÷210x－20＝6x,10＋6x＝8x,2（x＋54）＝8x,25－2x＝5＋2x6.8＋1

解下列方程:x十0.3=1.83十x=5.4x-1.5＝4x-6＝7.65＝1解下列方程:x十0.3=1.83十x=5.4x-1.5＝4x-6＝7.65＝1.50.2x＝6x÷1.1＝3x÷5＝15解

解方程5（x-7）＝26.54（x＋8.2）＝40.8（x-0.52）÷4＝1.121.5解方程5（x-7）＝26.54（x＋8.2）＝40.8（x-0.52）÷4＝1.121.5（x-8）＝604x

21分之10x÷3分之2=7分之3x-3分之1x-2分之1x=190x-53x=7408.5x-6.9x=43.3x-200=0.2x+1101.02+0.4x+2.6x=3.428.9x-67=4.

x-x÷5＝244x-13＝96-x+1312x＝10(x+20)3.6x÷2=7.2×2x-x÷5＝244x-13＝96-x+1312x＝10(x+20)3.6x÷2=7.2×2x÷3-x÷4＝5这

（1）x÷x＝xx＝（2）x2＝2xx＝（3（1）x÷x＝xx＝（2）x2＝2xx＝（3）x＝x－xx＝（1）x÷x＝xx＝（2）x2＝2xx＝（3（1）x÷x＝xx＝（2）x2＝2xx＝（3）x＝x

7.8x÷36＝20.7.8x-4x=2x+3.67.8x÷36＝20.7.8x-4x=2x+3.67.8x÷36＝20.7.8x-4x=2x+3.6 

解方程(x-3)÷2=7.5(x-3)÷2=7.513.2x+9x=33.38x-3x=1055.4x+x=12.8x-0.36x=11解方程(x-3)÷2=7.5(x-3)÷2=7.513.2x+9

解方程：5x÷16＝0.53.6x+5.4x＝18.36（x+8）÷2＝90解方程：5x÷16＝0.53.6x+5.4x＝18.36（x+8）÷2＝90解方程：5x÷16＝0.53.6x+5.4x＝1

[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+

化简(x^2-2x+1)/(x^2+1)÷(x-1)/(x^2+x)-x化简(x^2-2x+1)/(x^2+1)÷(x-1)/(x^2+x)-x化简(x^2-2x+1)/(x^2+1)÷(x-1)/(

[(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2)[(x-4)/(x-4x+4)-(x-2)/(x+2)]÷x/(x-2)[(x-4)/(x-4x+4)-(x-2)/(x+2)]

【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2【{x²-4x+4/x²-4}-x/x+2】÷x-1/x+2【{x²-4x+4/x

化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)

(x^2-x-6)÷(x-3)(x^2-x-6)÷(x-3)(x^2-x-6)÷(x-3) 

化简[3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简[3x/(x+2)-x/(x-2)]÷x/(x^2-4化简[3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简[3x/(x+2)

3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x+2)÷2x/(x²-4)化简3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/（x-2）-x/(x

(x+1-1/1-x)÷(x-x²/x-1)(x-4/x-x-6+x+2/x-3)÷x+1/x-3(x+1-1/1-x)÷(x-x²/x-1)(x-4/x-x-6+x+2/x-3)