Toán Lớp 8: a,x+1/4x+1>0
b,-x+4?2x+3<0
c,-2+5/x+1>-1
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Toán Lớp 8: a,x+1/4x+1>0
b,-x+4?2x+3<0
c,-2+5/x+1>-1
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