Mladý muž učitel s kniha stojící v učebně - Stock fotografie a obrázky

Young male teacher with book standing in classroom

Young male teacher explaining math formulas written on blackboard in classroom

Young male teacher writing on blackboard in classroom

Young male teacher explaining math formulas written on blackboard in classroom

Young male teacher writing on blackboard in classroom

Happy teacher with book at whiteboard in classroom during math lesson

Happy teacher writing on chalkboard in classroom. Banner design

Portrait of male teacher in classroom

Young teacher explaining math formulas written on chalkboard in classroom

Young male teacher with chalk near blackboard in classroom

Male teacher writing on blackboard in classroom

Happy teacher with book explaining something at blackboard in classroom

Young teacher working at table in classroom

Portrait of male teacher near blackboard in classroom

Young teacher explaining math formulas written on chalkboard in classroom