1 So, it's two times 3.12 plus four times 1.31, 6 all divided by six.

就是2*3。12+4*1。,最后再除以。

麻省理工公开课 - 固态化学导论课程节选

That's equal to seven minus six minus two 3 times 4.19, or 4.19 plus 2.3.

算出来是7-6-2*4。19的平方,或者4。19加2。

麻省理工公开课 - 固态化学导论课程节选

And now here is two plus six.

而现在就是2加。

麻省理工公开课 - 固态化学导论课程节选

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