9分之7x=0.25
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(1+4/5)x=9/16x=5/16(1-7/15)x=14/25x=21/10(1+3/4)x=5/6x=10/21
x=175/16
请加括号再问:没有括号再答:是这样吗?x/(x-2)+x/(x-7)-9=x/(x-1)+1+x/(x-6)-8再问:是:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(
4分之3X+2分之1X=255/4x=25x=25*4/5x=20X-8分之1=4分之3x=3/4+1/8x=7/8X+4分之3X=0.25x=1/4-3/4x=-0.5X-5分之2X=10分之9x=
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x-10分之1+x-6分之1=x-7分之1+x-9分之1(x-6+x-10)/(x²-16x+60)=(x-7+x-9)/(x²-16x+63)(2x-16)/(x²-1
x:7分之4=3分之1x=1/3×4/7x=4/218分之15:x=2分之3x=15/8÷3/2x=5/46分之1÷10分之9=5分之2:x5/27=2/5:xx=2/5÷5/27x=54/25
x+2分之x+1+x+9分之x+8=x+3分之x+2+x+8分之x+7即x+2分之1+x+9分之1=x+3分之1+x+8分之1即x+2分之1-x+3分之1=+x+8分之1-x+9分之1(x+2)(x+
35/127/124/151/18
希望能帮上忙,第一步x-7/x-9+x-3/x-5=x-4/x-6+x-6/x-8第二步(x-9)+2/x-9+(x-5)+2/x-5=(x-6)+2/x-6+(x-8)+2/x-8第三步1+2/x-
1)x--7/10=1/5x--7/10=2/10x=2/10+7/10x=9/10.2)1/6+x=3/42/12+x=9/12x=9/12--2/12x=7/12.3)1/5+x=1/33/15+
由(x-4)/(x-5)-(x-5)/(x-6)=(x-7)/(x-8)-(x-8)/(x-9)得:(X-4)/(X-5)-(X-7)/(X-8)=(X-5)/(X-6)-(X-8)/(X-9)即:【
因为(x-4)/(x-5)=[(x-5)+1]/(x-5)=1+1/(x-5)……所以原方程可化为1+1/(x-5)-1-1/(x-6)=1+1/(x-8)-1-1/(x-9)1/(x-5)-1/(x
(1+9分之7)x=3分之49分之16x=3分之4x=3分之4÷9分之16x=4分之3
因为(x-4)/(x-5)=[(x-5)+1]/(x-5)=1+1/(x-5)……所以原方程可化为1+1/(x-5)-1-1/(x-6)=1+1/(x-8)-1-1/(x-9)1/(x-5)-1/(x
(x-4)/(x-5)-(x-5)/(x-6)=(x-7)/(x-8)-(x-8)/(x-9)对方程两边各自通分:[(x-4)(x-6)-(x-5)(x-5)]/[(x-5)/(x-6)]=[(x-7
每个分式减去1(x-4-x+5)/(x-5)+(x-8-x+9)/(x-9)=(x-7-x+8)/(x-8)+(x-5-x+6)/(x-6)1/(x-5)+1/(x-9)=1/(x-8)+1/(x-6
x+0.25x=7分之81.25x=7分之8x=35分之32再问:����1.25x=7��֮8������ϸ����лл再答:1.25x=7��֮84��֮5x=7��֮8x=7��֮8��4��֮
(x+7)/(x+6)+(x+9)/(x+8)=(x+10)/(x+9)+(x+6)/(x+5)1+1/(x+6)+1+1/(x+8)=1+1/(1+9)+1+1/(x+5)1/(x+6)+1/(x+