解题方法
1 . 甲乙两人进行扑克牌得分比赛,甲的三张扑克牌分别记为
,
,
,乙的三张扑克牌分别记为
,
,
.这六张扑克牌的大小顺序为
.比赛规则为:每张牌只能出一次,每局比赛双方各出一张牌,共比赛三局,在每局比赛中牌大者得1分,牌小者得0分.若每局比赛之前彼此都不知道对方所出之牌,则六张牌都出完时乙得2分的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83835407feffa88a0e94741bd37af9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 三个数0.60.7,0.70.6,log0.76的大小顺序是
A.0.60.7<0.70.6<log0.76 |
B.0.60.7<log0.76<0.70.6 |
C.log0.76<0.60.7<0.70.6 |
D.log0.76<0.70.6<0.60.7 |
您最近一年使用:0次