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Vídeos

10,685 resultados
Boy thinks and shows class
Boy thinks and shows class
4K0:07
Algebra. Not increasing function.
Algebra. Not increasing function.
0:55
Algebra. The decreasing function.
Algebra. The decreasing function.
0:57
Schedule of supply and demand.
Schedule of supply and demand.
0:42
We write mathematical formulas.
We write mathematical formulas.
0:34
Little girl draws chalk on blackboard
Little girl draws chalk on blackboard
4K0:15
A Christmas gift box in the hands of a child
A Christmas gift box in the hands of a child
0:14
A Christmas gift box in the hands of a child
A Christmas gift box in the hands of a child
0:12
Young Caucasian businessman clapping hands in front of growing financial chart while saying Bravo to give appreciate, shot in 4k resolution
Young Caucasian businessman clapping hands in front of growing financial chart while saying Bravo to give appreciate, shot in 4k resolution
4K0:07
The child hugs the woman's hands.Yellow berries in female hands
The child hugs the woman's hands.Yellow berries in female hands
0:17
Teacher teaching school kids in classroom at school
Teacher teaching school kids in classroom at school
4K0:13
Attentive schoolgirl pretending to be a teacher in classroom at school
Attentive schoolgirl pretending to be a teacher in classroom at school
0:10
Young scientist man making selfie shoot in chemical and mathematical equations wall room interior
Young scientist man making selfie shoot in chemical and mathematical equations wall room interior
4K0:06
Young scientist man write chock in chemical and mathematical equations wall room interior
Young scientist man write chock in chemical and mathematical equations wall room interior
4K0:29
scientist man disappointed about problems experiment in chemical and mathematical equations room
scientist man disappointed about problems experiment in chemical and mathematical equations room
4K0:29
Young scientist man make laboratory experiment in chemical and mathematical equations wall room
Young scientist man make laboratory experiment in chemical and mathematical equations wall room
4K0:16
Young scientist man clean his glasses in chemical and mathematical equations wall room interior
Young scientist man clean his glasses in chemical and mathematical equations wall room interior
0:14
university professor writing on the blackboard equations from the book
university professor writing on the blackboard equations from the book
4K0:18
A college professor shows the human body inside
A college professor shows the human body inside
4K0:28
Emotional old teacher speaking and wearing glasses and looking at camera. 4K
Emotional old teacher speaking and wearing glasses and looking at camera. 4K
4K0:31
A charismatic old teacher explaining and shouting near the blackboard 4K
A charismatic old teacher explaining and shouting near the blackboard 4K
4K0:08
Woman's hand writing "DREAM" with white chalk on blackboard
Woman's hand writing "DREAM" with white chalk on blackboard
4K0:08
Woman's hand writing "MONEY" with white chalk on blackboard
Woman's hand writing "MONEY" with white chalk on blackboard
4K0:09
Woman's hand writing "GOODBYE" with white chalk on blackboard
Woman's hand writing "GOODBYE" with white chalk on blackboard
4K0:08
Woman's hand writing "GOAL" with white chalk on blackboard
Woman's hand writing "GOAL" with white chalk on blackboard
4K0:05
Woman's hand writing "BREAK" with white chalk on blackboard
Woman's hand writing "BREAK" with white chalk on blackboard
4K0:06
Woman's hand writing question "WHAT'S YOUR GOAL?" with white chalk on blackboard
Woman's hand writing question "WHAT'S YOUR GOAL?" with white chalk on blackboard
4K0:10
Group of students in class during break. People laugh and socialize. Shooting with tropod. Students work on common project.
Group of students in class during break. People laugh and socialize. Shooting with tropod. Students work on common project.
0:20
collegue professor showing graphic to student on blackboard
collegue professor showing graphic to student on blackboard
4K0:15
Portrait of schoolboy getting surprised in the classroom
Portrait of schoolboy getting surprised in the classroom
4K0:09
Schoolboy doing mathematics on chalkboard in classroom at school 4k
Schoolboy doing mathematics on chalkboard in classroom at school 4k
4K0:13
Portrait of schoolkid writing on chalkboard in classroom 4k
Portrait of schoolkid writing on chalkboard in classroom 4k
4K0:10
Portrait of schoolboy holding chalkboard with back to school text
Portrait of schoolboy holding chalkboard with back to school text
4K0:11
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Woman's hand writing Thai letter with white chalk on blackboard
Woman's hand writing Thai letter with white chalk on blackboard
4K0:10
Portrait of schoolboy writing in notebook against green chalkboard at school
Portrait of schoolboy writing in notebook against green chalkboard at school
4K0:08
Close-up of teacher assisting schoolboy in writing alphabet on chalkboard at school
Close-up of teacher assisting schoolboy in writing alphabet on chalkboard at school
4K0:10
Man scientist writes the word "science" on the glass
Man scientist writes the word "science" on the glass
4K0:12
Man scientist writes the word "science" on the glass
Man scientist writes the word "science" on the glass
4K0:07
scientist wrote mathematical formulas on a blackboard
scientist wrote mathematical formulas on a blackboard
4K0:36
Learning English in a classroom, in a game form
Learning English in a classroom, in a game form
4K0:05
Man writing creative on blackboard, new ideas and motivation, start-up, top view
Man writing creative on blackboard, new ideas and motivation, start-up, top view
0:09
Mother and daughter drawing on blackboard
Mother and daughter drawing on blackboard
4K0:16
Mother and daughter clean blackboard
Mother and daughter clean blackboard
4K0:14
Little girl with magic wand and skateboard
Little girl with magic wand and skateboard
4K0:08
Little girl talks about drawing on a blackboard
Little girl talks about drawing on a blackboard
4K0:14
Mom help daughter learning English
Mom help daughter learning English
4K0:21
Mom and daughter are joking, eat and drink on sofa
Mom and daughter are joking, eat and drink on sofa
4K0:14
Group of people are writing charts and discussing something near the blackboard
Group of people are writing charts and discussing something near the blackboard
4K0:11
Group of people are writing charts and discussing something near the blackboard
Group of people are writing charts and discussing something near the blackboard
4K0:21
Learning English in a classroom, in a game form
Learning English in a classroom, in a game form
4K0:07
Family medicine text on blackboard in physician hands, comprehensive healthcare
Family medicine text on blackboard in physician hands, comprehensive healthcare
4K0:11
Say no text on blackboard in doctor hands, give up unhealthy lifestyle habits
Say no text on blackboard in doctor hands, give up unhealthy lifestyle habits
4K0:10
Thank you text on blackboard in therapist hands, clinic services presentation
Thank you text on blackboard in therapist hands, clinic services presentation
4K0:10
Yes written on blackboard in therapist hands, healthy lifestyle, vaccination
Yes written on blackboard in therapist hands, healthy lifestyle, vaccination
4K0:09
We want you phrase on blackboard in businessman hands, promising job offer
We want you phrase on blackboard in businessman hands, promising job offer
4K0:10
Stop written on blackboard in doctor hands, fight against harmful bad habits
Stop written on blackboard in doctor hands, fight against harmful bad habits
4K0:10
Drugstore cart drawn on blackboard in doctor hands, pharmaceutical business
Drugstore cart drawn on blackboard in doctor hands, pharmaceutical business
4K0:10
Closeup woman's hand sticking note with Possible word on the blackboard - video in slow motion
Closeup woman's hand sticking note with Possible word on the blackboard - video in slow motion
4K0:09
Closeup woman's hand sticking note with letter "J" on the blackboard - video in slow motion
Closeup woman's hand sticking note with letter "J" on the blackboard - video in slow motion
4K0:09
Closeup woman's hand sticking note with letter "V" on the blackboard - video in slow motion
Closeup woman's hand sticking note with letter "V" on the blackboard - video in slow motion
4K0:08
Closeup woman's hand sticking note with Infinity sign on the blackboard - video in slow motion
Closeup woman's hand sticking note with Infinity sign on the blackboard - video in slow motion
4K0:08
Closeup woman's hand sticking note with letter "G" on the blackboard - video in slow motion
Closeup woman's hand sticking note with letter "G" on the blackboard - video in slow motion
4K0:11
Closeup woman's hand sticking note with number "6" on the blackboard - video in slow motion
Closeup woman's hand sticking note with number "6" on the blackboard - video in slow motion
4K0:11
Closeup woman's hand sticking note with letter "F" on the blackboard - video in slow motion
Closeup woman's hand sticking note with letter "F" on the blackboard - video in slow motion
4K0:10
Closeup woman's hand sticking note with number "4" on the blackboard - video in slow motion
Closeup woman's hand sticking note with number "4" on the blackboard - video in slow motion
4K0:10
Closeup woman's hand sticking note with letter "I" on the blackboard - video in slow motion
Closeup woman's hand sticking note with letter "I" on the blackboard - video in slow motion
4K0:10
Closeup woman's hand sticking note with happy face icon on the blackboard. Change from sad to happy face - video in slow motion
Closeup woman's hand sticking note with happy face icon on the blackboard. Change from sad to happy face - video in slow motion
4K0:09
Closeup woman's hand sticking note with Decline word turning into Growth word on the blackboard - video in slow motion
Closeup woman's hand sticking note with Decline word turning into Growth word on the blackboard - video in slow motion
4K0:09
Closeup woman's hand sticking note with happy face icon next to the sun drawing on the blackboard - video in slow motion
Closeup woman's hand sticking note with happy face icon next to the sun drawing on the blackboard - video in slow motion
4K0:10
Closeup woman's hand sticking note with happy face icon on the blackboard - video in slow motion
Closeup woman's hand sticking note with happy face icon on the blackboard - video in slow motion
4K0:10
The little boy in the living room of the house draw on the Board with markers a childs drawing. Pre-school education. close-up
The little boy in the living room of the house draw on the Board with markers a childs drawing. Pre-school education. close-up
0:06
Little boy with mom in her living room house paint on the Board with markers a childs drawing. Leisure happy family. Pre-school education.
Little boy with mom in her living room house paint on the Board with markers a childs drawing. Leisure happy family. Pre-school education.
0:11
Child girl peeking out from behind the blue board. Green screen. Slow motion
Child girl peeking out from behind the blue board. Green screen. Slow motion
4K0:20
Santa helper peeking out from behind the blue board. Green screen
Santa helper peeking out from behind the blue board. Green screen
4K0:06
Vaccination written on blackboard in doctor hands, disease outbreak prevention
Vaccination written on blackboard in doctor hands, disease outbreak prevention
4K0:09
Young handsome overweight Asian man against green background
Young handsome overweight Asian man against green background
4K0:08
Learn science or chemistry formula confident beautiful woman teacher chalk blackboard
Learn science or chemistry formula confident beautiful woman teacher chalk blackboard
4K0:13
Young male teacher or student holding chalk writing on chalkboard in classroom
Young male teacher or student holding chalk writing on chalkboard in classroom
4K0:19
The baby in the striped dress is erasing the picture from the board. The girl has a rag in her hands, shes the third board
The baby in the striped dress is erasing the picture from the board. The girl has a rag in her hands, shes the third board
4K0:27
Back to School concept. Boy and girl sit at a desk with heaps of books and a blackboard with kids drawings behind them. Kids have fun and enjoy school . 4k
Back to School concept. Boy and girl sit at a desk with heaps of books and a blackboard with kids drawings behind them. Kids have fun and enjoy school . 4k
4K0:11
School concept. Attractive girl sits at a desk with a blackboard behind her. Happy schoolgirl throws paper and smiles. Studying is over
School concept. Attractive girl sits at a desk with a blackboard behind her. Happy schoolgirl throws paper and smiles. Studying is over
0:33
School concept. Schoolkids sit at a desk with a globe on it. Children choose a place to travel on vacation
School concept. Schoolkids sit at a desk with a globe on it. Children choose a place to travel on vacation
4K0:16
School concept. Cute boy sits at a desk with globe on it and a blackboard behind him. smiling schoolboy with headphones on head puts pencil into mouth
School concept. Cute boy sits at a desk with globe on it and a blackboard behind him. smiling schoolboy with headphones on head puts pencil into mouth
4K0:10
Teenage girl in glasses- high school student smiles to camera seated in classroom
Teenage girl in glasses- high school student smiles to camera seated in classroom
0:09
Mature beautiful Asian businesswoman showing blackboard
Mature beautiful Asian businesswoman showing blackboard
4K0:07
Portrait of scientist man with mathematical equations background. He put on his glasses and smile at camera. Clever and smart teacher lecturer concept. Lets study!
Portrait of scientist man with mathematical equations background. He put on his glasses and smile at camera. Clever and smart teacher lecturer concept. Lets study!
4K0:09
Education concept - ABC alphabet school blackboard concept. School teacher writing ABC alphabet in English class or preschool.on chalkboard.
Education concept - ABC alphabet school blackboard concept. School teacher writing ABC alphabet in English class or preschool.on chalkboard.
4K0:05
The teacher hand gesture, showing a blank Board
The teacher hand gesture, showing a blank Board
4K0:10
The teacher hand gesture, showing a blank Board
The teacher hand gesture, showing a blank Board
4K0:11
Two happy young multi-ethnic businessmen showing blackboard and giving thumbs up
Two happy young multi-ethnic businessmen showing blackboard and giving thumbs up
4K0:09
Young handsome Hispanic businessman against green background
Young handsome Hispanic businessman against green background
4K0:06
Beautiful young female teacher standing near blackboard in classroom in elementary school, she shows the sides of the pyramid.
Beautiful young female teacher standing near blackboard in classroom in elementary school, she shows the sides of the pyramid.
4K0:06
A young handsome teacher draws on a blackboard, teaches in art class
A young handsome teacher draws on a blackboard, teaches in art class
4K0:15
A young handsome teacher draws on a blackboard, teaches in art class
A young handsome teacher draws on a blackboard, teaches in art class
4K0:11
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