6x-3(5x-2)=5
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6x-3(5x-2)=56x-3(5x-2)=56x-3(5x-2)=56x-3(5x-2)=56x-(15x-6)=56x-15x+6=5-9x+6=5两边加上9x6=5+9x9x=1x=1/96x
6x-3(5x-2)=5
6x-3(5x-2)=5
6x-3(5x-2)=5
6x-3(5x-2)=5
6x-(15x-6)=5
6x-15x+6=5
-9x+6=5 两边加上9x
6=5+9x
9x=1
x=1/9
6x-3(5x-2)=5
6x-15x+6=5
6x-15x=5-6
-9x=-1
x=1/9
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填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
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x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
2x+3x+4x+5x+x+6x+7x=100
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
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(x+3x+6/x+3x+2)--(x+5x+2/x+5x+6)=?
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已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10)
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(x-5)/(x/7)+(x-2)/(x-4)=(x-3)/(x-5)+(x-4)/(x-6)
解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7)
解方程:x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6
解分式方程:(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6)