忘记密码

The Official SAT Question of the Day for Friday, June 29

2012-06-29 12:00 作者: 来源: 本站 浏览: 895 views Make a Comment 字号:

摘要: Read the following SAT test question and then click on a button to select your answer.  Cathy likes to wear 2 ribbons, each...

Read the following SAT test question and then click on a button to select your answer. 

Cathy likes to wear 2 ribbons, each a different color. If she has 6 ribbons each of a different color, how many combinations of 2 different-colored ribbons can she select to wear?

  1. click to choose answer A  3
  2. click to choose answer B  6
  3. click to choose answer C  12
  4. click to choose answer D  15
  5. click to choose answer E  36
打印                Retweet

发表评论

你必须 登录后 才能评论!

会员登录关闭

记住我 忘记密码

注册会员关闭

小提示: 您的密码会通过填写的"电子邮箱"发送给您.