2018年9月21日
Sonya and Robots
摘要： Since Sonya is interested in robotics too, she decided to construct robots that will read and recognize numbers.Sonya has drawn nnumbe... 阅读全文
posted @ 2018-09-21 19:52 ～～zcy 阅读(152) 评论(0) 推荐(0)
三角形问题
摘要： DescriptionKatya studies in a fifth grade. Recently her class studied right triangles and the Pythagorean theorem. It appeared, that t... 阅读全文
posted @ 2018-09-21 10:50 ～～zcy 阅读(138) 评论(0) 推荐(0)