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| impulse pin | |||
| ellipse (A closed curve whose shape is symetrical, such as a circle or a flattened circle) | |||
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elipse : 15 a las frases, 9 temas |
| Ciencias de la tierra | 1 |
| Ciencias de la vida | 2 |
| Ciencias fisicas | 1 |
| Electrónica | 2 |
| Matemáticas | 2 |
| Microsoft | 1 |
| Oftalmología | 1 |
| Tecnología | 3 |
| Transporte | 2 |