游戏规则如下：a gambling game played with two dice; a first throw of 7 or 11 wins and a first throw of 2, 3, or 12 loses and a first throw of any other number must be repeated to win before a 7 is thrown, which loses the bet and the dice
结论：抛出两个骰子，点数之和为7的概率最大，6、8次之，5、9再次之，以此类推。