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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: a,8-2x<0 b,6-3x<0 c,(x-1).(x+3)<0 d,(2x-3).(x+3)<0 e,x^2-3x>0 g,x^2+2x>0

Toán Lớp 7: a,8-2x<0 b,6-3x<0 c,(x-1).(x+3)<0 d,(2x-3).(x+3)<0 e,x^2-3x>0
g,x^2+2x>0