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【简答题】
已知不等式ax 2 -3ax+6＞0的{x|x＜1或x＞b} （1）求a，b的值； （2）解不等式：ax 2 -（2a+b）x+2b＜0．
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反馈参考答案：
举一反三
【单选题】Directives moving downward from superiors to subordinates usually follow the indirect pattern. ( )
A.
True
B.
False
【简答题】I sat in the 1 office and figured I would too, just because it seemed like the thing to do. I sat down with Tommy Karam, then an academic advisor for football players, and he asked a question I’ d nev...
【判断题】Directives moving downward from superiors to subordinates usually follow the indirect pattern.
A.
正确
B.
错误
【单选题】Moving downward along a linear (straight-line) downward sloping demand curve, the
A.
slope is constant.
B.
price is constant.
C.
quantity is constant.
D.
elasticity is constant.
E.
None of the above answers is correct.
【单选题】An elevator suspended by a vertical cable is moving downward but slowing down. The tension in the cable must be
A.
greater than the weight of the elevator.
B.
less than than the weight of the elevator.
C.
equal to the weight of the elevator.
【简答题】________ is a activity of moving quickly upward or downward through the text or other screen display.
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