论文部分内容阅读
课堂上,教师出示一些题目给学生练习。其中的一道题目是 (36+48)÷12 学生对于这道题目的解答,采用了两种不同的方法。一种是 (36+48)÷12=84÷12=7;另一种是 (36+48)÷12=36÷12+48+12=3+4=7。
In class, teachers show some questions to students. One of the questions is (36 + 48) ÷ 12 The students used two different methods to solve this problem. One is (36 + 48) ÷ 12 = 84 ÷ 12 = 7; the other is (36 + 48) ÷ 12 = 36 ÷ 12 + 48 + 12 = 3 + 4 = 7.