Valmistaudu kokeeseen. College lehtori geometrian oppitunti. Takaisin kouluun. virallinen koulutus. tietopäivä. kypsä parrakas opettaja käyttää matematiikan hallitsija työkaluja. brutaali mies työskentelee luokkahuoneessa liitutaulu. - Kuvapankin valokuva ja kuva

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