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已知实数x,y满足y=√x-8+√16-2x+1/2,求xy的平方根
转自:http://zhidao.baidu.com/question/480592147.html#281447-tieba-1-63645-3e341a3f818ee52fbff9943fc62b238b
已知实数x,y满足y=√x-8+√16-2x+1/2,求xy的平方根
转自:http://zhidao.baidu.com/question/480592147.html#281447-tieba-1-63645-3e341a3f818ee52fbff9943fc62b238b
level 2
