三角形内角和演示器三角形中位线平行四边形面积内角和演示器教具 三角形内角和【撕裂款】
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三角形内角和演示器三角形中位线平行四边形面积内角和演示器教具 三角形内角和【撕裂款】
| 颜色(Color) | Multi |
| 材质(Material) | ABS |
| 尺寸(Size) | 29x17.5cm |
| (Size(US)) | 11.42inchx6.89inch |
| 制造国家/地区(Country/Region of Manufacture) | China |
| 型号(Model) | Triangle interior angle sum demonstrator |