一、集合1.已知A={菱形},B={正方形},C={平行四边形},那么A、B、C之间的关系是______.2.设集合A={x|x2+x-1=0},B={x|x2-x+1=0},则集合A、B之间的关系是_____.3.数集{a,a2-2}中a的取值范围是_______.4.已知A={x|x2-px-q
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![一、集合1.已知A={菱形},B={正方形},C={平行四边形},那么A、B、C之间的关系是______.2.设集合A={x|x2+x-1=0},B={x|x2-x+1=0},则集合A、B之间的关系是_____.3.数集{a,a2-2}中a的取值范围是_______.4.已知A={x|x2-px-q](/uploads/image/z/2604641-41-1.jpg?t=%E4%B8%80%E3%80%81%E9%9B%86%E5%90%881.%E5%B7%B2%E7%9F%A5A%3D%7B%E8%8F%B1%E5%BD%A2%7D%2CB%3D%7B%E6%AD%A3%E6%96%B9%E5%BD%A2%7D%2CC%3D%7B%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%7D%2C%E9%82%A3%E4%B9%88A%E3%80%81B%E3%80%81C%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB%E6%98%AF______.2.%E8%AE%BE%E9%9B%86%E5%90%88A%3D%7Bx%7Cx2%2Bx-1%3D0%7D%2CB%3D%7Bx%7Cx2-x%2B1%3D0%7D%2C%E5%88%99%E9%9B%86%E5%90%88A%E3%80%81B%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB%E6%98%AF_____.3.%E6%95%B0%E9%9B%86%7Ba%2Ca2-2%7D%E4%B8%ADa%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF_______.4.%E5%B7%B2%E7%9F%A5A%3D%7Bx%7Cx2-px-q)
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