A man is 48 years old. He asks the other man how old he is. The other man answer

游客2023-10-21 105

问题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today. " How old is the other man?

选项

答案 64

解析 (假定我现在X岁，当我48岁时，你的年龄是Y岁。因而，X=2Y，X一48=48一Y，用这两个等式，得出x=64。)

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A man is 48 years old. He asks the other man how old he is. The other man answer

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武汉是湖北省的省会，历史悠久，风景优美，有著名的黄鹤楼(YellowCraneTower)、东湖风景区等名胜。此外，武汉也是我国水、陆、空交通的枢纽

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A.0.8(电容性) B.0.8(电感性) C.0.6(电容性) D.0.