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将一颗质地均匀的正方体骰子(每个面上分别写有数字1,2,3,4,5,6)先后抛掷2次,观察向上的点数,则点数之和是6的概率是 .
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高三下学期数学《》真题及答案
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将一颗质地均匀的骰子一种各个面上分别标有123456个点的正方体玩具先后抛掷2次则出现向上的点数之和
一个质地均匀的正方体骰子骰子的六个面上分别刻有数字122333.掷该骰子一次则向上一面的数字是2的
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有两个相同的正方体每个正方体的六个面上分别标有数字123456将两个正方体放到桌面上向上的一面数字之
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将一颗质地均匀的骰子一种各个面上分别标有123456个点的正方体玩具先后抛掷2次则出现向上的点数之
5.00分将一颗质地均匀的骰子一种各个面上分别标有123456个点的正方体玩具先后抛掷2次则向上的
抛掷一枚质地均匀的正方体骰子其六个面上分别写有数字123456.记向上一面点数为奇数的概率为P1向上
投一枚均匀的小正方体小正方体的每个面上分别标有数字123456.每次实验投两次两次朝上的数字的和为7
将一颗质地均匀的骰子一种各个面上分别标有123456个点的正方体玩具先后抛掷2次则出现向上的点数之和
质地均匀的正四面体骰子的四个面上分别写有数字2345.投掷这个正四面体两次则第一次底面上的数字能够整
一枚质地均匀的正方体骰子的六个面上的数字分别是122334另一枚质地均匀的正方体骰子的六个面上的数字
质地均匀的正方体骰子其六个面上分别刻有123456六个数字投掷这个骰子一次则向上一面的数字是偶数的概
若将一颗质地均匀的骰子一种各面上分别标有123456个点的正方体玩具先后抛掷两次则出现向上的点数之和
掷一个均匀的小正方体这个小正方体的每个面上分别标有数字123456任意掷出小正方体后可能性最大的是
朝上的数字是5
朝上的数字是偶数
朝上的数字是奇数
朝上的数字小于5
一枚质地均匀的正方体骰子的六个面上的数字分别是122334另一枚质地均匀的正方体骰子的六个面上的数字
投掷两颗相同的正方体骰子骰子质地均匀且各个面上依次标有点数123456一次则两颗骰子向上点数之积等于
现有三个质地均匀每个面上标有一个数字的正方体玩具它的六面中相对两个面数字相同分别写有两个1两个2两个
一颗质地均匀的正方体骰子其六个面上的点数分别为123456将这颗骰子连续抛掷三次观察向上的点数则三次
质地均匀的正四面体骰子的四个面上分别写有数字2345投掷这个正四面体两次则第一次底面上的数字能够整除
若将一颗质地均匀的骰子一种各面上分别标有123456个点的正方体玩具先后抛掷两次则两次点数之和为偶数
掷一枚质地均匀的小正方体它的六个面上分别标有数字123456则朝上一面的数字是质数的概率是.
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