共50条信息
设全集\(U\)\(=\)\(R\),集合\(A\)\(=\{\)\(x\)\(|\)\(x\)\({\,\!}^{2} < 1\}\),\(B\)\(=\{\)\(x\)\(|\)\(x\)\({\,\!}^{2}-2\)\(x\)\( > 0)\)则\(A\)\(∩(\)\(C\)\({\,\!}_{R}\)\(B\)\()=\)________.
设集合\(A\)\(=\{\)\(x\)\(|-1\leqslant \)\(x\)\( < 3\}\),\(B\)\(=\{\)\(x\)\(|\)\(x\)\({\,\!}^{2}-3\)\(x\)\(+2 < 0\}\),则\(A\bigcap ({{\complement }_{R}}B)\)可表示为( )
已知集合\(A=\{x|\,\ -1\leqslant x < 3\}\),\(B=\{x\in Z|{{x}^{2}} < 4\}\),则\(A\bigcap B=\)
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