SAT2 概率题 Three cards are drawn from an ordinary deck of 52 cards.Each card is replaced in the deck before the next card is drawn.What is the probability that at least one of the cards will be a spade?求教思路和过程

SAT2 概率题 Three cards are drawn from an ordinary deck of 52 cards.Each card is replaced in the deck before the next card is drawn.What is the probability that at least one of the cards will be a spade?求教思路和过程 SAT2物理基础题 SAT2物理一题 SAT2 Sat2 英语数学概率题Two cards are drawn simultaneously from a standard pack of 52 playing cards.Use a tree diagram to find the probablity that:(A)Both are hearts.(B)Just one is a heart 求SAT2数学和物理真题 SAT2化学真题该如何选择? Sat2 math level 2第5题 WHAT'S THREE LETTERS TURN AGIRL INTO A WOMAN?1.SAT2.EGA3.DAB 英语连词成句:her,wangfei,three,to,uncle,cards,yesterday,sent 第一题：2 4 7 12 20 33 54 第二题：8 3 4 1 5 9 6 7 第三题：Mrs black has some cards in her hand.If mary,her daughter ,gives her 24 more ,she will have three time as many .How mang cards does Mrs black have in her hand?第四题：2 15 37 2 SAT2 巴朗概率题 What are the odds in favor of getting a number greater than 2 when a die is thrown?答案是1/2,为什么呢?我觉得就是2/3啊 sat2生物哪几个月份有?如题,急 求sat2 大家都说BARRON难 有没有真题? sat2数学一道题 求具体解析 怎么排除重复 求sat2物理真题,最好是最近几年的 sat2 巴郎 原版 里有多少套题rt