Day: June 28, 2010

[759] 3×9

Title Text:Handy exam trick: when you know the answer but not the correct derivation, derive blindly forward from the givens and backward from the answer, and join the chains once the equations start looking similar. Sometimes the graders don’t notice the seam.


在有大量学生的大学课程中(图片显示任何关于大学的电影或电视节目中显示的巨大,疲惫,圆形剧场… Read more