设全集R,A={X/X^2-5X-6>0},B={X/|X-5|
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设全集R,A={X/X^2-5X-6>0},B={X/|X-5|
设全集R,A={X/X^2-5X-6>0},B={X/|X-5|
设全集R,A={X/X^2-5X-6>0},B={X/|X-5|
X^2-5X-6>0-------------(x+1)(x-6)>0-----------------A={X/x6}
B={X/|X-5|
设全集U=R,A={x|x^2-5x-6>0},B={x||x-5|
设全集U=R.A={x|x^2-5x-6>0} B={x|x-5
设全集为R,A={x|x^2-5x -6>0},B={x| |x-5|
设全集R,A={X/X^2-5X-6>0},B={X/|X-5|
设全集为R,A={x|x^2-5x -6>0},B={x| |x-5|
设全集为R,A={x|x^2-5x-6>0},B={x||x-5|
设全集为R,A={x|x^2-5x-6>0},B={x||x-5|
设全集为R,A={x | x的平方-5x-6>0}
设全集R,A=X
设全集R.A={X/3
设全集为R,集合A={x|x等于6},B={x|-2
解一道集合题设全集为R,A={x|x^2-5x-6>0},B={x||x-5|
设全集U=R,集合A={x|0
设全集U=R,集合A={x|0
设全集U=R,A={x|0
设全集U=R,集合A={x|-5
设全集U=R,集合A={x|-5
设全集U=R,集合A={x|-5