扔两个Dice,可能的结果有36种.而和小于6的情况是：
1,1; sum=2
1,2; sum=3
1,3; sum=4
1,4; sum=5
1,5; sum=6
...
2,1; sum=3
2,2; sum=4
2,3; sum=5
...
3,1; sum=4
3,2; sum=5
...
4,1; sum=5
...
一个10种,所以
the probability that the sum of the dots is less than 6 is 10/36=5/18
Two six-sided dice are rolled.What is the probability that t
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