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Science teacher writting at blackboard. Education and physics.

Young asian teacher man teaching video conference with student. Male Indian teacher training the mathematics in classroom from online course.

Professional Male Teacher Gives Presentation, Uses Whiteboard with Technical Information and Charts to Illustrate Solution Options During Video Call. E-Learning and Remote Education Concept.

Waist up view of British educator in early 50s standing amidst desks, holding notebooks, and smiling at camera.

Photo of charming intelligent senior woman wear shirt work at college thumb up isolated on green board background.

$Portrait of mature academic person, female professor standing near blackboard with math forumlas. Woman is 50-60 years old, with blonde hair and sophisticated appearance. Image taken in Europe.$

$Foggia, Apulia, Italy - 6 january 2023: Italy Square with the monument to the fallen in the Great War and the building of the former \$

Senior janitor wearing blue overalls and yellow gloves, cleaning classroom in front of chalkboard filled with equations

Mature caucasian man high school teacher writes mathematics formulas on the blackboard with chalk. Copy space. Education concept.

A teacher with a long white beard, big gray hair, and glasses is wearing a checkered shirt and sports jacket in front of a blackboard with complex formulas written on it. He holds his beard and looks thoughtfully at the folder in his hands.

$People and education. Teacher writing on math equation on blackboard during lesson.$

Madrid, Spain - June 20, 2023: Tourists taking photos of the sculpture The Bear and the Strawberry Tree, symbol of the city of Madrid, in the Plaza de la Puerta del Sol. This a pedestrian public square in Madrid, one of the best known and busiest places in the city. This point marks the zero kilometers of the radial network of Spanish roads. The Puerta del Sol originated as one of the gates in the city wall that surrounded Madrid in the 15th century.

Algebra teacher pointing at blackboard during online lesson

Grandfather and her granddaughter in Syntagma Square in Athens, with the Greek Parliament in the background.

An elderly professor of mathematics stands in his office at a white board with notes and explains the material to students.

St. John National Theater building and Battle Square on a sunny day, Porto, Portugal. (São João National Theater -Praça da Batalha)

Young asian teacher man teaching video conference with student. Male Indian teacher training the mathematics in classroom from online course.

A teacher with a long white beard, big gray hair, and glasses is wearing a checkered shirt and sports jacket in front of a blackboard with complex formulas written on it. He looks sternly at the camera over his glasses with his index finger raised.

Photo of charming senior woman wear shirt work at college hold copybook task isolated on green board background.

Teacher, librarian, or adult student in front of blackboard.

Portrait Of Teacher Writing On Blackboard In Classroom

Mature teacher standing near the blackboard and explaining Maths to students online using laptop

Grey-haired mixed race man with facial hair standing at front of secondary school classroom holding composition booklets and looking at camera with contented expression.

$Math teacher writing on the board at the school$

An adult teacher at the blackboard explains a task in higher mathematics. Selective focus

Photo of glad nice intelligent senior woman work at university hand hold scientific materials okey sign isolated on green board background.

A teacher with a long white beard, big gray hair, and glasses is wearing a checkered shirt and sports jacket in front of a blackboard with complex formulas written on it. He looks sternly at the camera with his index finger raised.

$An old professor teaches mathematics front of the blackboard$

Royal Palace Noordeinde in The Hague, Netherlands. King Willem Alexander uses Paleis Noordeinde as official work palace and office for all political and state affairs

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