Sujet

math class on blackboard

Légende

math class on blackboard

Info+

Photographe : sondem

Date

08 août 2016

Crédit

Photo12/Alamy/sondem

Notre référence

LMY25T01_GYYCCN

Utilisation

uniquement en France

Model release

Non

Property release

Non

Licence

Libre de droits

Format disponible

39.2Mo (1.2Mo) / 33.7cm x 29.1cm / 3984 x 3440 (300dpi)

Mots clés

algebra background black blackboard board calculate chalkboard class classroom college complicated concept difficult drawing equation exam examination formula function hand hold knowledge learn lecture lesson math mathematical mathematics number physics school science sign student study studying symbol teacher trigonometry university education white write