Enseignant en lunettes gesticulant près du tableau avec des formules mathématiques et un appareil photo numérique flou en classe - Photo & image de stock

Teacher gesturing near chalkboard and blurred digital camera in school

Teacher in eyeglasses gesturing near digital tablet and camera in classroom

Teacher in eyeglasses talking near chalkboard with mathematic formulas and digital camera in class

Happy teacher holding digital tablet and pointing at math formulas on chalkboard near camera in school

Bloggers Makes a Video. Bloggers is Young Businessman and Businesswoman. Video About a Business. Camera Shoots a Video. Man Showing Something on Laptop to Woman. People in Studio Interior.

Bloggers Makes a Video. Bloggers is Young Man and Woman. Video About a Business. Camera Shoots a Video. Gadgets and Supplies on Table. Upset People Have a Discussion. People in Studio Interior.

Portrait of young asian businesswoman presenting business idea to colleagues during meeting

Teacher holding notebook near digital tablet and camera in classroom