
数式ミステリー㊷『数学者のメモ』Page7~The Secret Number
Puzzle Challenge!
The Secret Number
Think of a number in your mind.
Here comes an interesting problem.
Uh… Okay, I have a number.
Add 2 to the number.
Okey.
Double the answer.
Okey.
Add 2 to it again.
Okey.
Next, divide it by 2.
Okey.
You thought of a number at the beginning.
At the end, subtract that number from this answer.
Okey.
Now you have a number from your calculation.
Let’s try to show this final answer number.
Okey.
What is the platform number in the picture above?
Platform?


What?
Wow, it’s Platform 3!
That’s the number I got at the end!
How did you know that?
This is unbelievable!
That’s crazy!!!
(コメント)
以下の『ショートショートガーデン』でも、たくさんの400字ショートショートを読むことができます。⇩