Homework for 5/14/2015

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5th:

Last day for academic performance.

6th:

学术展示报告

姓名:

日期:

内容:                                 1/3B1h+1/3B2h+1/3B3h+…+1/3Bnh

=1/3B1r+1/3B2r+1/3B3r+…+1/3Bnr

=1/3r(B1+B2+B3+…+Bn)

=1/3r*4*3.14*r*r

=4/3*3.14*r*r*r

=

结论:我的球的体积为:              。

I will explain it more about it to all the students during Friday’s math class.

7th: review the note and there will be a small quiz about it tomorrow.

8th: P598-599  1-21

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