如图,A、B两个转盘分别被平均分成三个、四个扇形,分别转动A盘、

如图,AB两个转盘分别被平均分成三个、四个扇形,分别转动A盘、B盘各一次,转动过程中,指针保持不动,如果指针恰好指在分割线上,则重转一次,直到指针指向一个数字所在的区域为止,请用列表或画树状图的方法,求两个转盘停止后指针所指区域内的数字之和是4的倍数的概率.

答案

相关题目

The Wuxi-Taipei airline _________ for about five years.    A. is open B. has o
The Wuxi-Taipei airline _________ for about five years.    A. is open B. has opened C. has been opened  D. has been open
   Thirty years ago, Lake Ponkapog in Hartwell, New Jersey, was full of life.
   Thirty years ago, Lake Ponkapog in Hartwell, New Jersey, was full of life. Many birds and animals lived beside the water, which was full of fish. The lake water is polluted . It is in a color of
I had worked long and hard on this project.Knowing that it was finally complete
I had worked long and hard on this project.Knowing that it was finally complete gave me great satisfaction.“Perfect!”I said.“Now,all I have to do is to keep the dogs off of it.” I went
晓赓同学对各种标签比较感兴趣,身边的各种标签他都有一
晓赓同学对各种标签比较感兴趣,身边的各种标签他都有一定的研究。 (1)化学实验室中药品应该按要求存放在容器中,并贴上标签。 标签上通常有
1799年拿破仑的雾月政变成功的主要原因是(  ) A、督政府
1799年拿破仑的雾月政变成功的主要原因是(  ) A、督政府的腐败懦弱  B、拿破仑享有很高的威望 C、混乱中的法国需要独裁者稳定秩序 D、得到外国
动物多样性的保护措施包括                     
动物多样性的保护措施包括                     、                    和                         ,其中最有效的措
下列计算正确的是( ) A.a•a2=a3 B.(a3)2=a5  C.a+a2=a3 
下列计算正确的是( ) A.a•a2=a3 B.(a3)2=a5  C.a+a2=a3       D.a6÷a2=a3
Let’s look up the word in the dictionary.Do you have one ____________? A.in ha
Let’s look up the word in the dictionary.Do you have one ____________? A.in hand          B.in need           C.at once      D.at your hands

最新题目