注目の話題: おばさんイジリされる職場; 妻の過去について; 彼氏にカマかけたらクロ　別れるべきか

Science,English,and math 4th

No.371　21/04/21 14:38
燻し銀三 ( 60代 ♂ IJ7P0b ) あ+あ-

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

《A written challenge to readers on the magical square》

Please write down actually what I’ve said until now.

At first we pay attention to the bottom. Its total number should be 34, and there are two kind of numbers there, 2 and 3, so it turned out that I＋J＝29.

When looking at the numbers which have never used in the magical square, I,J is （16,13）or（13,16）, so at first we think of the case that I, J is 16, 13.

In the next, we think of the vertical line on the second from the left, and there is two kind of numbers there, 7 and 2, so the...

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