My junior daughter seems to be sensitive about arithmetic.

I can never resolve an arithmetical problem that she cannot resolve.

I am afraid that I am just a string telephone. I read the suggested answer the prep school provides, and I tell her my interruption only.

In this summer, she borrowed some books from a public library. The books titles are "arithmetic note of Hamamura-Nagisa".

Based on the above background, I taught her "game theory". She could understand it easily, and write a report in just about no time.

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When I told my colleague above the story, I got the following replies.

Colleague:"How old is she?"

Ebata:"The ninth grade."

Colleague: "It is absolutely odd that a girl of junior school could understand something "theory".

Ebata:"So? But the "game theory" is easy to understand just using simple add and subtract"

Colleague: "That is a different story"

Ebata:"What do you mean?"

Colleague:"It is the father. Ordinal fathers didn’t come to think to teach a junior school student the study"

Ebata:"Is that a common sense?”

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Thought I thought that this was a kind of well-meant attempt, I come to be worry that,

"I did something wrong for her didn't I?"