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A friendly, short guide to the rectangle for kids. Learn its basic properties, quick area and perimeter formulas, everyday examples, and playful activities to spot and measure rectangles on a walk. Storypie学习

儿童矩形：友好的事实和有趣的发现

儿童矩形的友好简短指南。了解其基本属性、…

Alexandra Hochee

Alexandra Hochee

13 4 月, 2026 •
1 分钟阅读

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