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Science,English,and math 4th

No.363　21/04/21 06:22
燻し銀三 ( 60代 ♂ IJ7P0b ) あ+あ-

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

《A pattern on the shell of a holy tortoise》

It turned out that the magical square on the sixth order of 6×6 is more than seventeen quintillion 1700 京 in which the number from 1 to 36 is used.

The bigger the ordinal number is, the more its kind increases by leaps and bounds.

The magical square is originated in China. A tortoise was picked up by a Chinese Emperor in the Yellow River, and it is said that there was the magical square of third order with the same number of points from 1 to 9 is described on the shell.

The Chinese Emperor ...

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