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

游客2023-10-21 40

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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Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer

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成人颅内压增高，较客观的指标是A、头痛 B、意识障碍 C、呕吐 D、脑中线

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钙作为重要的调节物质，其功能为A.作用于细胞膜，影响膜的通透性及转运B.细胞内钙

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