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母親の誕生日プレゼント何が良い?
親が会社に挨拶、、

Science,English,and math 4th

No.366 21/04/21 07:03
燻し銀三 ( 60代 ♂ IJ7P0b )
あ+あ-

【The magical square is a good exercise for the brain】

《A written challenge to readers on the magical square》

...the author showed us some bases when tackling the magical square.

When creating the magical square of 4×4, each of the total number on the vertical, horizontal and diagonal line is always 34, and the author said he was going to say its reason later.

He has already put some of numbers in the magical square beforehand, and we have to be careful of numbers which we can use. It’s from 1 to 16, and we need to look for a line of which number is either extremely large or small...

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