6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0
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6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
![6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0](/uploads/image/z/16766197-61-7.jpg?t=6%2A80%25%2A%EF%BC%88X%2B24%EF%BC%89%2A110%25%3D%286%2B0.6%29%2A%2880%25%2B5%25%29X+49%2B0.009X%2A0.5%3D18%2B0.04X%2A0)
第一道题目:
6*0.8*1.1*(x+24)=6.6*0.85x
6.6*0.8(x+24)=6.6*0.85x
0.8(x+24)=0.85x
0.8x+19.2=0.85x
0.05x=19.2
x=384
6*0.8*1.1*(x+24)=6.6*0.85x
6.6*0.8(x+24)=6.6*0.85x
0.8(x+24)=0.85x
0.8x+19.2=0.85x
0.05x=19.2
x=384
解方程①(x+3/x-1)²-5(x+3/x-1)+6=0 ②x²-2/x+3-6x+18/x
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
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(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
3/x-1=4/x 6/x+1=x+5/x(x+1)
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
解方程:3X+8=5X-6X (3X+2)-X=218 80+X=3(52-X)
2x+3x+4x+5x+x+6x+7x=100
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
5(x²+x-3)-4x(6+x)+x(-x+4)=0
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?