共50条信息
设集合\(A=\left\{\begin{matrix}\left( x,y \right)\left. 2x+y=1,x,y∈R \right. \end{matrix}\right\}\),\(B=\left\{\begin{matrix}(x,y)\left. a^{2}x+2y=a,x,y∈R \right. \end{matrix}\right\}\),如果\(A∩B=\),则\(a\)的值为
已知集合\(A=\left\{x \left|-3\leqslant x\leqslant 6 \right.\right\}\;,\;B=\left\{x \left|2a-1\leqslant x\leqslant a+1 \right.\right\} \);
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