Maths

2009-03-28 3:38 am
In a chess game, how many possible first moves can be made by the white pieces and then followed by the black pieces?

回答 (1)

2009-03-28 6:51 pm
✔ 最佳答案
310 (21+20+19...+1)

A side have 21 piece
參考: me


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