Algebra Primer

代数入门


Besides the basic arithmetic operations, in this course we will also employ in a few cases power operations. This primer will review the basic operations you should be familiar with.

除了基本的算术运算,在这门课中,我们还将在一些情况下使用幂运算。这个引入将回顾您应该熟悉的基本操作。


Power Operations

幂运算

There is an extra notation that will be very useful for us:

 有一个额外的符号对我们非常有用:


You can test your intuition about powers in this case: 

在这种情况下,你可以测试你对幂的直觉:


There are three relations worth remembering:

 有三种关系值得记住:




Examples

例子