Today, my job is finished, my mother let me and my brother to the computer to do some exercises, I chose mathematics, a total of 27 questions. Previous question is very simple, we make coming soon, and we are excited that these questions are too simple, but the question 6 put our heads want broken, do not want to come out, this is a four-digit addition and subtraction. Mom asked if we had not learned, we never learned to say, then, my mother put this question to teach us the way, at her mother"s teachings finally make this problem coming, I am very happy and my brother!
今天，我的作业写完了，妈妈让我和哥哥到电脑上做一些练习题，我选的是数学，总共有27题。前几题很简单，我们很快的做出来啦，我们很兴奋，觉得这些题目太简单了，但第6题就把我们的头都想破了，都想不出来，这是一道四位数的加减法。妈妈问我们学过没有，我们说没学过，于是，妈妈便把这道题的方法教给我们了，在妈妈的教导下终于把这题做出来啦，我和哥哥很开心！
