1/2除以(x减2/3)等于3/2解方
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分式若A除以X-5+B除以X-2等于(5X加24)除以(X平方减3X减10)这题有点问题,如果题目是:分式若A除以X-5+B除以X+2等于(5X加24)除以(X平方减3X减10),求A和B.那么此题可
x-2除以6-x+2除以3等于1+x-1除以2两边乘6x-2-2(x+2)=6-3(x-1)-x-6=9-3x3x-x=9+62x=15x=7.5
x÷3+1=x÷2-1/42x+6=3x-3/2x=6+3/2=7又1/2
1/(x-1)+1/(x-4)-[1/(x-2)+1/(x-3)]=0通分(2x-5)/(x²-5x+4)-(2x-5)/(x²-5x+6)=0(2x-5)[1/(x²-
4/(x-1)-1/(2x-1)-2=4(2x-1)/(x-1)(2x-1)-(x-1)/(x-1)(2x-1)-2(x-1)(2x-1)/(x-1)(2x-1)=(8x-4-x+1-4x²
是(x-1)/(x-2+1)=3吗x-1=3x-3无解
(1-x)÷3=2-x1-x=3(2-x)1-x=6-3x2x=5x=2.5
x/2-x/3=163x-2x=96x=96
(2x+1)/3-(x+1)/6=22(2x+1)-(x+1)=124x+2-x-1=123x=12-1x=11/3
裂项相消.1/(x+a)(x+b)=【1/(x+a)-1/(x+b)】*1/(b-a)一般都是这种形式.特别是你那道题的形式应该让你联想起来这种形式.比如1/(x+1)(x+3)+1/(x+3)(x+
解方程:1/(X-1)+2/(X-2)=3/(X-1)2/(X-2)=2/(X-2)变成了:X-2=X-1方程无解的,是题目有问题吧
(x+1)÷3=(x-1/4)÷2等式两边同时乘以6则(x+1)×2=(x-1/4)×32x+2=3x-3/4x=11/4
能再问:(列方程,有过程)再答:嗯再答:
(x+1)/2=(3x-1)/2-1x+3=3x-1x=2
解题思路:去分母进行求解解题过程:答案见附件最终答案:略
x+x/2+x/3=5511x/6=55x=30
x/(x-1)-3/(1-x)=3可以化为x/(x-1)+3/(x-1)=3(x+3)/(x-1)=3移项,解之得x=3
x÷(3/2x)=x-3/22x^2/3-x=3/24x^2-6x=9(2x-3/2)^2=9+9/4x=(±根号下45/4+3/2)/2