问答题

Translating Word Problems
These questions will test your ability to locate relevant mathematical information in word problems.
Place an X next to the correct expression in the questions below.

Tom had 6 books. He gave 2 to his sister and then purchased 3 more books at the bookstore. Which of the following mathematical expressions is equivalent to the number of books that Tom now has
______6-2+3
______6+2-3
______6(2+3)
______6(2-3)

【参考答案】

You are given that Tom started out with 6 books. After he ga......

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