(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
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![(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于](/uploads/image/z/4341506-50-6.jpg?t=%281%2F2%29%5B%E7%B4%A7%E6%80%A5%E6%B1%82%E5%8A%A9%2C%5D+%E8%AE%BE%E5%85%A8%E9%9B%86U%3DR%2C%E9%9B%86%E5%90%88A%3D%7Bx%7Cy%3Dlog1%2F2%5B%28x%2B3%29%28x-2%29%5D%7D%2CB%3D%7Bx%7C2%E7%9A%84%28x-1%29%E6%96%B9%E5%A4%A7%E4%BA%8E%E7%AD%89%E4%BA%8E)
(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
B={x|2的(x-1)方大于等于?
A:(x+3)(2-x)>0,(x+3)(x-2)<0,-3
A∪B={x|x>-3}
(CuA)={x|x≤-3或x≥2}
(CuA)∩B={x|x≥2}
看不懂
题好像没写全,大于等于后面还有什么字?
(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
(1/2)[紧急求助,] 设全集U=R,集合A={x|y=log1/2[(x+3)(x-2)]},B={x|2的(x-1)方大于等于
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