4:x=5:6

1.25/4=0.75:x8/x=2/50.6/16=1.5:x3/4:5/12=x:2/30.75:x=1:7/51/2:x=1/6:2 /5x:4:2=0.9/1.050.5:1/5=5/2:x1/2:1/10=1/4:xx-1/8x=9.453.7×5-2x=3/4x(1.5+2/3)÷1/6-2/3_百度作业帮
1.25/4=0.75:x8/x=2/50.6/16=1.5:x3/4:5/12=x:2/30.75:x=1:7/51/2:x=1/6:2 /5x:4:2=0.9/1.050.5:1/5=5/2:x1/2:1/10=1/4:xx-1/8x=9.453.7×5-2x=3/4x(1.5+2/3)÷1/6-2/3
1.25/4=0.75:xx=1/58/x=2/5x=200.6/16=1.5:xx=403/4:5/12=x:2/3x=6/50.75:x=1:7/5x=21/201/2:x=1/6:2 /5x=6/5x:4.2=0.9/1.05x= 3.60.5:1/5=5/2:xx=11/2:1/10=1/4:xx=1/20x-1/8x=9.457/8x=9.45x=10.83.7×5-2x=3/4x17.5=2x+0.75x2.75x=17.5x=6.36(1.5+2/3)÷1/6-2/3=13/6×6-2/3=13-2/3=37/34:x=1/7 x:5/6=4/5 x÷11/12=4/5_百度作业帮
4:x=1/7 x:5/6=4/5 x÷11/12=4/5
4:x=1/7x=4*7x=28x:5/6=4/5x=5/6*4/5=4/6x=2/3 x÷11/12=4/5x=4/5*11/12=1/5*11/3x=11/15
4:x=1/7解:x=4×7x=28
x:5/6=4/5 解:x=5/6×4/5x=2/3
x÷11/12=4/5x=4/5×11/12x=11/153:4.8=5:x x:8/15=12 4:x=5/6 x:27/5=10/9 x:3.5=4:5_百度作业帮
3:4.8=5:x x:8/15=12 4:x=5/6 x:27/5=10/9 x:3.5=4:5
3:4.8=5:x 3x=5*4.8x=8x:8/15=12 x=8/15*12x=32/54:x=5/6x=4*6/5x=24/5x:27/5=10/9x=10/9*27/5x=6x:3.5=4:55x=3.5*4x=14/5
您可能关注的推广解比例: 4:32=2.4:x 4/x+1=3/x 4/5:3/4=x:5/12 4:3=(x+6):20_百度作业帮
解比例: 4:32=2.4:x 4/x+1=3/x 4/5:3/4=x:5/12 4:3=(x+6):20第一个4:3.2=2.4:x第二个4/x+1=3/x第三个4/5:3/4=x:5/12第四个4:3=(x+6):20说说怎么解比例(详细)
1.4:3.2=2.4:x4/3.2=2.4/xx=2.4/(4/3.2)=48/25=1.922.4/x+1=3/x4+x=3x=-13.4/5:3/4=x:5/124/5/(3/4)=x/(5/12)16/15=x/(5/12)x=4/94.4:3=(x+6):204/3=(x+6)/2080/3=x+6x=62/3解方程:x-1/x-2 - x-2/x-3=x-4/x-5 - x-5/x-6_百度知道
解方程:x-1/x-2 - x-2/x-3=x-4/x-5 - x-5/x-6
给解得详细点
(x-3)+1/(x-2) - (x-2)/(x^2-8x+12)-1/(x^2-8x+15)=0(2x-8)[1/(x-6)1/(x-3)+1/(x-5)-1/(x-2)]-[(x-3)/(x-3)=1+1/(x-3)]=](x-5)/(x-6)+1/(x-6)]1+1/(x-3)=1+1/(x-3)(x-5)=0(2x-8)/(x^2-8x+12)-(2x-8)/(x-2)+1/(x-2)-1-1/(x-5)]-[(x-6)/(x-5)+1/(x-2)(x-6)-(x-3+x-5)/(x-6)[(x-2)/(x-5) - (x-5+1)/(x-3) = (x-4)/(x^2-8x+15)]=0因为x^2-8x+12不等于x^2-8x+15所以1/(x-2) - (x-3+1)/(x-6)=1/(x-5) - (x-5)&#47(x-1)/(x-5)-1-1/(x-6)1/(x-3) = (x-5+1)/(x-5)(x-6+x-2)/(x^2-8x+12)-1/(x-2)+1/(x-2)-1/(x-6)(x-2+1)&#47
【(x-1+1)/((x-1)】-【(x-2+1)/(x-2)】=【(x-4+1)/(x-4)】-【(x-5+1)/(x-5)】里面都分下来就是上面的了,不过你上面好像后面少了一个减号
其他4条回答
[提问者采纳]
(x-1)/(x-2) -( x-2)/(x-3)=(x-4)/(x-5) -( x-5)/(x-6) -1/(x-2)(x-3)=-1/(x-5)(x-6)(x-2)(x-3)=(x-5)(x-6)x^2-5x+6=x^2-11x+306x=24x=4
[提问者采纳]
有的括号你没给标清楚,题目很模糊!
正确答案 x=4.解:∵(x-1)/(x-2) -( x-2)/(x-3)=(x-4)/(x-5) -( x-5)/(x-6)
∴-1/(x-2)(x-3)=-1/(x-5)(x-6)
∴(x-2)(x-3)=(x-5)(x-6)
∴ x^2-5x+6=x^2-11x+30
x=4 注:两边分别通分后分子都为-1.所以分母相等且不为0.两边分别乘开,移项整理可得x=4.
等待您来回答
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