If we put 2cars on the chess board(国际象棋盘) and won't let they

问题描述:

If we put 2cars on the chess board(国际象棋盘) and won't let they pose(造成) a threat to each other ,then how many different metherds(方法) for putting?
1个回答 分类:英语 2014-10-06

问题解答:

我来补答
7*7*8*8=3136
棋盘是8*8,放下一个车,有49个个可以放另一个车.49*64是所有可能性.
 
 
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