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(145) 评论(0) 推荐(0) 编辑
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(135) 评论(0) 推荐(0) 编辑