数学题:小军参加英语竞赛，前三轮的平均的平均分是94，前四轮的平均分是95分，小军第四轮的得分是多少？（求解题列式）

数学题解答：用前四轮的总分，减去前三轮的总分，就是第四轮的得分。

知道平均数，来求总数的关系式：总数＝平均数×份数

95 × 4 – 94 × 3 =?

这样就可以算出第四轮的得分了，具体得数自己算一下吧！

推荐阅读：
Learn to Achieve Your Goals with 5 Secrets of Great Bloggers　 What is Cornerstone Content And Why It’s Important　 How to Attract Female Readership For Your Blog　 Double your traffic with White Hat SEO techniques　 Blogging As Therapy: True Life Stories Of Victims And How They C　 3 Reasons to Geek Out on Your Blog　 The Terminal Software Engineer Level　 Facebook Interview Tips and Guidance　 Book Review: Python for Kids, for Dummies　 Find the Least Number Sums of Perfect Squares