High school uses 3D technology to teach maths stockbot 0 331 2020.11.05 19:18 http://vietnamnews.vn/society/804245/high-school-uses-3d-technology-to… + 59 https://vietnamnews.vn/rss/society.rss + 20 Lê Quý Đôn High School in HCM City on Tuesday began using 3D technology to teach mathematics for 11th grade classes.