摘要: 在下列各题的空格上填写相应不等式的解集 (1) x2-x+6>0 (2) 2x2-3x-2<0 (3) 1-x-x2£0 (4) x2+x+3³0 (5) (6) x2-2x+4<0 (7) (8) x2(x2-1)(x+3)³0 (9) (10)
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