(5x+4)/6-x=(x-3)/4+1
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(5x+4)/6-x=(x-3)/4+1(5x+4)/6-x=(x-3)/4+1(5x+4)/6-x=(x-3)/4+1(5x+4)(4+1)=(x-3)(6-x)25x+20=-x^2+9x-18x
(5x+4)/6-x=(x-3)/4+1
(5x+4)/6-x=(x-3)/4+1
(5x+4)/6-x=(x-3)/4+1
(5x+4)(4+1)=(x-3)(6-x)
25x+20=-x^2+9x-18
x^2+16x+38=0
(x+)(x+)=0
x= -8+2√26 或-8+2√26
3/x-1=4/x 6/x+1=x+5/x(x+1)
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
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解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
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