A man is 36 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 答案是48.全国英语竞赛试题啊
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/08 22:46:34
A man is 36 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 答案是48.全国英语竞赛试题啊
A man is 36 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
答案是48.全国英语竞赛试题啊
A man is 36 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 答案是48.全国英语竞赛试题啊
54阿
36*2*2=144
有一个三十六的人,他问另外一个人的年龄。这个人回答说:“当我三十六岁时我是你年龄的两倍。”请问这个人的年龄是多少?
很容易能算出他的年龄是五十四岁。呵呵。。。
54岁
答案应该是48
注意 "I am twice ..." 用的是 am 而不是 was 。
也就说,我现在的年龄,是我在36岁时你年龄的两倍,24*2 = 48.
如果选项中有数字,可以直接代入算出。
如果想自己算出,可以设二人的年龄差为x,代入方程式算出,
36+x = 2*(36-x)
x=12
36+12=48...
全部展开
答案应该是48
注意 "I am twice ..." 用的是 am 而不是 was 。
也就说,我现在的年龄,是我在36岁时你年龄的两倍,24*2 = 48.
如果选项中有数字,可以直接代入算出。
如果想自己算出,可以设二人的年龄差为x,代入方程式算出,
36+x = 2*(36-x)
x=12
36+12=48
收起