数学运算顺序逐步解析：学习PEMDAS变得简单
Math Order of Operations Step by Step, developed by Digital D LLC, is an interactive Android app that simplifies the process of learning the order of operations in a math expression. The app teaches PEMDAS, which stands for Parentheses, Exponents, Multiplication/Division, Addition/Subtraction. It also covers other variations of PEMDAS such as BEDMAS, BODMAS, and BIDMAS.
The app offers two modes of interaction. In the first mode, you can type your own expressions or let the app generate them for you. The second mode is a multiple-choice option where you have to pick the right answer for each step. Additionally, you can go to the next, previous, first, or last step depending on your preference. The app also allows you to turn on or off sounds as per your liking.
数学运算顺序逐步是由Digital D LLC开发的交互式Android应用程序，简化了数学表达式中学习运算顺序的过程。该应用程序教授PEMDAS，即括号、指数、乘除、加减。它还涵盖了其他变体，如BEDMAS、BODMAS和BIDMAS。
该应用程序提供两种交互模式。在第一种模式下，您可以输入自己的表达式，或者让应用程序为您生成表达式。第二种模式是多项选择选项，您必须为每个步骤选择正确答案。此外，您可以根据自己的喜好转到下一步、上一步、第一步或最后一步。该应用程序还允许您根据喜好打开或关闭声音。
