A famous mathematician once said "Every question must have a correct answer " for every question one answer."
一位著名的数学家曾说过,“每一个问题都必定有一个正确的答案,每一个人们所回答的问题“
Okay these--you guys are all right, everything that I heard was a correct answer.
很好 这些原因--你们说的都很对,我听到的每一个答案都是正确答案
We now have 77% getting the correct answer, for a very similar question , we only had about 30-something percent on Friday.
我们有77%的同学%,回答正确了,上周五和这类似的问题,只有大概30%左右答对了。
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