3.6x÷2=2.16

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这些题方程怎么解,X-1/5X=244=>

7.8x÷36＝20.7.8x-4x=2x+3.6 

5x+7=42x÷4.2=23.6x-x=3.252（x-5x+7=42x÷4.2=23.6x-x=3.252（x-3）=5.8.解方程5X=42-7=35X=7x÷4.2=2X=2*4.2=8.43.6x-x=3.252.6X=3.25X

3.5X＋1.8＝12.33.6X÷2＝2.16x×(16+38)=1312方程3.5X＋1.8＝12.33.5X=12.3-1.83.5X=10.5X=10.5/3.5X=33.6X÷2＝2.163.6X=2*2.163.6X=4.32X

3.5X＋1.8＝12.33.6X÷2＝2.16x×(16+38)=1312方程x=3x=2x=656/27最后一题确认题目没问题?是=1512吧?如果是1512X=31)3.5X＋1.8＝12.33.5X=12.3-1.83.5X=10.

设f(x)=x+2÷x(x小于等于负根号2减一望采纳谢谢负无穷到1

X^2-3X-2=0,求(x-2x-1/x)÷(x-1)/(x^2-2x)(x-2x-1/x)÷(x-1)/(x^2-2x)=(x²-2x+1)/x×x(x-2)/(x-1)=(x-1)²/x×x/(x-2)/(x-1)

先化简,再求值(x+1/(x²-x)-x/(x²-2x-1))÷1/x,其中x=根号2+1要过程x+1/x除以（x-1+x²/2x）=(x+1)/x÷(2x^2-1-x^2)/2x=2(x+1)/(x^2-1)

8x-5.5x=7.57.2x÷3.6=23x＋6x-8x=0.712x-2x-5x=4.512x-x=05x＋x=1.83.2x＋1.8x=64.8x-0.8x=66.3-0.3x=9.68.6x-8.5x=0.720x-2x=369x＋

化简(2x^2+2x/x^2-1-x^2-x/x^2-2x+1)÷x/x+1,当x=1+√2,求原代数式的值∵x=1+√2那么

2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2原式=2x(x-2)/(x+2)×x(x+2)/(x-2)²×3(x-2)/x=6x当x=√3/2时原式=3√3

2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2你这样写,大家不太明白,等式是什么样地我猜是这样：(2x^2-4x)/(x+2)·(x^2+2x)/(x^2-4x+4)÷x/(3x-6)=[2x(x-

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

X-0.25X=33.6X除以2=2.16怎么解x-0.25x=3.0.75x=3.x=4.3.6x/2=2.16.1.8x=2.16.x=1.2

【9x+3.6x】÷2=31.5解方程(9x+3.6x)÷2=31.512.6x÷2=31.512.6x=31.5×212.6x=63x=63÷12.6x=5请点击下面的【选为满意回答】按钮.

先化简再求值[3x/(x+2)-x/(x-2)]÷2x/(x^2-4)x=2010[3x/(x+2)-x/(x-2)]÷2x/(x^2-4)分子分母同时乘以x²-4=[3x(x-2)-x(x+2)]/2x=(3x²-6x

化简求值：(3x/x+2-x/x-2)÷2x/x^2-4,x=-3原式={[3x(x-2)-x(x+2)]/(x+2)(x-2)}×[(x+2)(x-2)/2x]=x(3x-6+x+2)/2x=(4x-4)/2=2x-2=2×(-3)-2=

x^2-1/x^2+x÷(x-2x-1/x),其中x=√2+1,X^2=3+2√21/X^2=3-2√2X-2X-1/X=-2√2X÷(x-2x-1/x)=-0.5-0.25√2原式=3.75√2-0.52L

先化简再求值(x/x-2-x/x+2)÷4x/x-2,其中x=1[x(x+2-x+2)/(x-2)(x+2)]*(x-2/4x)=1/x+2=1/3

已知(2x+3)÷(x(x+2)(x-1))=(A/x)+(B/(x-1))+(C/(x+2))求常数A、B、C、的值(2x+3)÷[x(x-1)(x+2)]=A÷x+B÷(x-1)+C÷(x+2)2x+3=A*(x-1)(x+2)+B*x