已知x,y是正整数,并且xy+ x+ y= 23,{x}^{2y} + x{y}^{2} = 120,则{x}^{2} + {y}^{2} =?解题过程不重要,答案要准确!
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![已知x,y是正整数,并且xy+ x+ y= 23,{x}^{2y} + x{y}^{2} = 120,则{x}^{2} + {y}^{2} =?解题过程不重要,答案要准确!](/uploads/image/z/3168946-10-6.jpg?t=%E5%B7%B2%E7%9F%A5x%2Cy%E6%98%AF%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E5%B9%B6%E4%B8%94xy%2B+x%2B+y%3D+23%2C%7Bx%7D%5E%7B2y%7D+%2B+x%7By%7D%5E%7B2%7D+%3D+120%2C%E5%88%99%7Bx%7D%5E%7B2%7D+%2B+%7By%7D%5E%7B2%7D+%3D%3F%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B%E4%B8%8D%E9%87%8D%E8%A6%81%2C%E7%AD%94%E6%A1%88%E8%A6%81%E5%87%86%E7%A1%AE%21)
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