Bolas de papel arrugado volando a la profesora asustada en el aula con pizarra en el fondo - Foto e imagen de stock

Crumpled paper balls flying at frightened female teacher in classroom with chalkboard on background

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Exercises to maintain vivacity. Work far beyond actual school day. Stretch and do exercises to increase vivacity and get energy charge. Teacher woman sit table classroom chalkboard background.

Male teacher in formal wear wiping mathematical equations with sponge in classroom

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

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Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

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