有几件事情是你必须做到的：你要清楚怎样用不同的进制表示一个数，还要知道如何用布尔逻辑计算布尔表达式。

There are a couple of things you should definitely be aware of: you should understand how to represent Numbers in different bases and how to manipulate Boolean expressions using Boolean logic.

youdao

有几件事情是你必须做到的：你要清楚怎样用不同的进制表示一个数，还要知道如何用布尔逻辑计算布尔表达式。

There are a couple of things you should definitely be aware of: you should understand how to represent Numbers in different bases and how to manipulate Boolean expressions using Boolean logic.

youdao