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【简答题】
已知集合A={x|x 2 +3x+2＜0，或x＞0}，B={x|a≤x≤b}，满足A∩B={x|0＜x≤2}，A∪B={x|x＞-2}，求a，b的值．
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举一反三
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A.
light comedies
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【单选题】1974年，香港金利来领带在其他同类产品纷纷降价的情况下，反而提价，获得了成功，并且成为国际上的名牌产品。此种思维方式属于()
A.
抽象思维
B.
形象思维
C.
联系思维
D.
逆向思维
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