两个星期以来的desmos作品

Description
凸透镜成像:https://www.desmos.com/calculator/4kryeao3vw?lang=zh-CN
8面体:https://www.desmos.com/calculator/ahuh0dwfby?lang=zh-CN
多正方体嵌套:https://www.desmos.com/calculator/ooeowcctyj?lang=zh-CN
20面体:https://www.desmos.com/calculator/osogqam4qk?lang=zh-CN
小游戏:https://www.desmos.com/calculator/efuv5elqmq?lang=zh-CN