作业帮1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3我急
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1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3我急
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3
我急
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3我急
1.8*1.2-8x-1.3*1.2-1.8x=6x-0.16
0.6-9.8x=6x-0.16
15.8x=0.76
x=38/79
解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
3道简单的分式方程,1.3/(1-x^) = 2/(1+2x+x) - 5/1-2x+x^2.5x/(x^+x-6) + (2x-5)/(x^-x-12) = (7x-10)/(x^-6x+8)3.(x+1)/(x+2) + (x+6)/(x+7) = (x+2)/(x+3) + (x+5)/(x+6)
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3如何计算结果X=11/5?
1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3我急
(1.8-8x)/1.2-(1.3-3x)/2-(5x-0.4)/0.3=0
1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
（5x-0.4）/0.3+（1.3-3x）/2=（1.8-8x）/1.2
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2
1 2x-1/2(x-1/2(x-1))=2/3(x-1)2 1.8-8x/1.2 -1.3-3x/2=5x-0.4/0.33 x/1*2+x/2*3+.+x/2007*2008=20074 已知关于X的方程3（x- 2(x-a/3))=4x和3x+a/12 -1-5x/8=1有相同的解,求这个解
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,解方程,5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,0.8x-0.2+1.2x=1.8,2.4x+0.6+1.6=8
x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一
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