用中文背Pi 600小数位 Chinoiseries 《汉瀚》［中/英/日/韩/法］ 5岁儿童背 Pi 600小数位: Ref:Math Chant: Pi (22 decimal places) View original postShare this:TwitterFacebookLike this:Like Loading... Related Author: Chinoiseries2014 22CE World Lingua Franca View all posts by Chinoiseries2014
Chinese Tuition Singapore 