木制分数盘学习初步认识认知板减运算教具数学智力学具
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木制分数盘学习初步认识认知板减运算教具数学智力学具
| 颜色(Color) | Multicolor |
| 尺寸(Size) | 30cmx22.5cmx0.7cm |
| 材质(Material) | Wood |
| 年龄层(Age Level) | 3-4 Years |