Thứ Bảy, 23 tháng 7, 2016

NPR News: A History Lesson: When Math Was Taboo

A History Lesson: When Math Was Taboo
When Houman Harouni's students asked why they have to study math, he looked to ancient history for answers.

Đọc tiếp trên NPR
At July 23, 2016 at 06:00PM
Categoty Education

Related Posts:

0 nhận xét:

Đăng nhận xét