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#bf038530-47d3-4322-a28e-d4ad31a358b0基础填空题交集定义与运算集合与常用逻辑用语

3.已知集合A={x2x>3}A=\{x\vert 2-x>3\}B={xy=ln(x+3)}B=\{x\vert y=ln(x+3)\},则AB=(A\bigcap B=(  ))

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