把图片的内容生成视频---**Header:** 第40周 第二天 反求长或宽 **Branding:** 学而思启蒙 **Question Stem:** 6个周长为8厘米的小正方形拼成了一个大长方形, 大长方形的周长是多少厘米? **Chart/Diagram Description:** * Type: Diagram showing a geometric arrangement. * Main Elements: * A large rectangle formed by arranging 6 smaller squares. * The squares are arranged in a 3x2 grid (3 columns horizontally, 2 rows vertically). * The smaller shapes are squares, and the larger shape is a rectangle. * All shapes are depicted in green. * Grid lines separate the individual squares.