Beautiful math by creative students（2）
Description：Two middle school students in Zhengzhou, Henan province managed to transform dull functions into beautiful figures, depicting hearts, apples and even a little girl with pigtails.
Two middle school students in Zhengzhou, Henan province managed to transform dull functions into beautiful figures, depicting hearts, apples and even a little girl with pigtails.[Photo/People's Daily Online]
Source：china.org.cn Editor：楊柳
(Source_title：Beautiful math by creative students)