王大爷买24只小鸡花了72元钱，他还要再买50只这样的小鸡，王大爷

搜题请搜索小程序“爱下问搜题”

问题解答题

王大爷买24只小鸡花了72元钱，他还要再买50只这样的小鸡，王大爷还要花多少元钱？

答案

72÷24×50，

=3×50，

=150（元）．

答：王大爷还要花150元钱．

填空题

用动词的适当形式填空。

1. Last summer, I _______ (swim) in the swimming pool.

2. I will _______ (play) table tennis.

3. The boy will _______ (put) on his shoes and play outside.

4. Mr. Wood _______ (teach) us very well.

5. Danny _______ (walk) to school every day.

问答题简答题

简述股票投资风险的主要种类及其防范。