Professor em desgaste formal e óculos segurando ponteiro de madeira e explicando equações na classe - Banco de fotos e imagens

Handsome male teacher in formal wear holding wooden pointer and explaining equations in class

Smiling male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Serious male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations

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

Smiling male teacher throwing apple in class with chalkboard and desk on background

Happy male teacher throwing apple in classroom

Female teacher with wooden pointer explaining mathematical equations in classroom

Beautiful female teacher with wooden pointer explaining mathematical equations in classroom

Smiling female teacher with wooden pointer explaining mathematical equations in classroom

Smiling female teacher with wooden pointer explaining mathematical equations in classroom

Partial view of female teacher in formal wear with wooden pointer explaining mathematical equations in classroom

Female teacher in formal wear holding glasses and looking away in classroom

Female teacher looking at camera and pointing with finger at mathematical equation on chalkboard in class

Cheerful businessman with passport sitting in hotel room