Toán Lớp 8: c) 12/8+x^3=1+1/x+2
e) 4/x^2+2x-3=2x-5/x+3-2x/x-1
g)2/-x^2+6x-8-x-1/x-2=x+3/x-4
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Toán Lớp 8: c) 12/8+x^3=1+1/x+2
e) 4/x^2+2x-3=2x-5/x+3-2x/x-1
g)2/-x^2+6x-8-x-1/x-2=x+3/x-4
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