b It's pretty simple zeroth law says that if a and b it doesn't exactly say that but it implies this.
它很简单,第零定律指出如果a和,这不是第零定律的原话,但其意义是这样的。
This is their profit. And I won't tell you what B is for now, but let's just.. I mean I won't tell you exactly what it is, but I'll explain it.
这就是利润表达式,先不讨论B,我是说我们先不讨论B到底多大,我们照常计算
Just as forewarning for people who have forgotten what a median is, that means half of you--not approximately half, it means exactly half of you-- will be getting something like B+ and below and half will get something like B+ and above.
稍微提示下忘记中位数含义的同学,这也就是说,不是一半左右,是绝对一半的同学,会得到B+的成绩或更低的成绩,另一半会到B+的成绩或更高的成绩
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