• The first six shapes are plane figures, and the last three shapes are solid figures. Today we'll learn about cuboids and cubes.

    前面六个平面图形后面三个立体图形。今天我们学习长方体体的认识。

    youdao

  • The first six shapes are plane figures, and the last three shapes are solid figures. Today we'll learn about cuboids and cubes.

    前面六个平面图形后面三个立体图形。今天我们学习长方体体的认识。

    youdao

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