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©正版 | Writing formulas on the blackboard 年轻女子在绿色黑板上写和画数学公式和草图。上面有三盏灯后视镜具体背景。后视镜研究的概念.

©正版 | Message on blackboard in front of the shop.

©正版 | Lead generation On Blackboard 铅生成在黑板上，在桌子上用咖啡、记事本和笔

©正版 | A businesswoman with hands on hips standing in front of a business scheme drawn on the blackboard. 一位女商人站在黑板上一个商业方案前，双手放在臀部。后视图。黑色背景。开发企业的概念.

©正版 | A businessman with hands on hips standing in front of a business scheme drawn on the blackboard. 一个商人，双手放在黑板上的商业方案前。后视图。黑色背景。开发企业的概念.

©正版 | student answers in the classroom at the blackboard 年轻美丽的学生在黑板旁边的教室里回答

©正版 | Woman solving problems on blackboard 年轻女子站在绿色黑板上，用公式和草稿书写。后视镜具体背景。解决的概念.

©正版 | Gross margin text on blackboard 与商人一起在绿色黑板上的毛利率文本

©正版 | 3d Blackboard and books on computer keyboard. 3d 渲染器插图。电脑键盘上的黑板和书籍。教育理念.

©正版 | 老师写在黑板上 The teacher writes on the blackboard with chalk

©正版 | Beautiful blonde Woman with question mark on blackboard

©正版 | empty blackboard with green chalkboard on white background Empty blackboard with green chalkboard on white background

©正版 | young asian teacher pointing a question on blackboard 年轻的亚洲教师在学校的黑板上指着一个问题

©正版 | Happy schoolboy standing near the blackboard with medical glasses 快乐的小学生站在学校教室的黑板旁，身着校服，戴着医服。他抬头一看。有概念或想法复制空间

©正版 | 氨基酸含量 Amino acid's formula written on the blackboard

©正版 | Childish drawing - sun with cloud on blackboard background

©正版 | light-bulb-crumpled-paper-on-blackboard-idea-concept-background Light-bulb-crumpled-paper-on-blackboard-idea-concept-background

©正版 | 3d Blackboard, graduation cap and books on computer keyboard. 3d 渲染器插图。黑板、毕业帽和电脑键盘上的书籍。教育理念.

©正版 | stressed redhead young woman with thought bubble on blackboard Stressed redhead young woman with thought bubble on blackboard

©正版 | frightened young man with thought bubble drawing on blackboard Frightened young man with thought bubble drawing on blackboard

©正版 | Good Idea Handwritten by white Chalk on a Blackboard. 好主意用白粉笔在黑板上手写。工作表上带有小黑板的构图，包含办公室文件夹、信纸、报表。模糊，色调的图像

©正版 | 老师 Teacher sitting in the classroom on blackboard background.

©正版 | young girl reading blackboard with space objects at the backgrou 一个年轻女孩站在墙上看书，黑板上有空间物体的背景，一个概念的选择和学习

©正版 | Getting Things Done Word Cloud Concept on a Blackboard 在黑板上完成 Word Cloud 概念，具有出色的术语，如度量、成功、任务等.

©正版 | Production Plan Handwritten by White Chalk on a Blackboard. 制作计划由黑板上的白粉笔手写。工作表背景上带有小黑板的构图，包含办公室文件夹、信纸、报告。模糊，色调的图像。3d 渲染

©正版 | empty blackboard with black chalk on a white background Empty blackboard with black chalk on a white background

©正版 | Surprised girl, hands on mouth, blackboard with mathematical sym 惊讶的女孩在蓝色条纹T恤覆盖她的嘴用双手对大黑板与数学符号和公式

©正版 | frustrated young man with thought bubble drawing on blackboard Frustrated young man with thought bubble drawing on blackboard

©正版 | confused young man with thought bubble drawing on blackboard Confused young man with thought bubble drawing on blackboard

©正版 | light-bulb-crumpled-paper-on-light-bulb-crumpled-paper-on-blackboard-概念 Light-bulb-crumpled-paper-on-light-bulb-crumpled-paper-on-blackboard-idea-concept-background

©正版 | Time to Learn Handwritten by white Chalk on a Blackboard. 时间学习手写在黑板上的白色粉笔。与小黑板和书籍堆栈，闹钟和纸卷在模糊背景的组成。色调图像。3d 渲染

©正版 | First grade schoolgirl wrote multiplication table on blackboard with chalk 一年级快乐的女学生在黑板上用粉笔在教室里写下。穿着校服的小女孩。知识日的概念和九月的第一天

©正版 | Schoolgirl wrote in chalk on blackboard and teach English language 女学生用粉笔在黑板上写，教英语。9月1日的第一课从字母表开始

©正版 | Unpleased woman with raincloud drawn over her on blackboard background 不高兴的年轻女子与雨云画在她黑板背景站在手臂交叉

©正版 | Never Stop Learning Handwritten by white Chalk on a Blackboard. 永远不要停止学习用黑板上的白色粉笔手写。与小黑板和书籍堆栈，闹钟和纸卷在模糊背景的组成。色调图像

©正版 | A businesswoman drawing a business scheme on the blackboard, four lamps over it. Back view. Concrete background. Concept of devloping a business.

©正版 | irritated redhead girl with question marks in thought bubble on blackboard Irritated redhead girl with question marks in thought bubble on blackboard

©正版 | fisherman on the river in the fog in the park on the nature Fisherman on the river in the fog in the park on the nature

©正版 | stressed young man with question marks in thought bubble on blackboard Stressed young man with question marks in thought bubble on blackboard

©正版 | skeptical woman using smartphone, question marks in thought bubble on blackboard behind Skeptical woman using smartphone, question marks in thought bubble on blackboard behind

©正版 | the truck on the road The truck on the road

©正版 | Close-up to the eye glasses on the laptop on the white desk.

©正版 | skeptical girl using smartphone, question marks in thought bubble on blackboard behind Skeptical girl using smartphone, question marks in thought bubble on blackboard behind

©正版 | pensive woman using smartphone, question marks in thought bubble on blackboard behind Pensive woman using smartphone, question marks in thought bubble on blackboard behind

©正版 | thoughtful redhead young woman with question marks in thought bubble on blackboard Thoughtful redhead young woman with question marks in thought bubble on blackboard

©正版 | two dogs playing on the lawn and on the water Two dog-like Malamute Bernese German Shepherd playing happily chasing each other on the lawn and on the water with their thick fur

©正版 | The child lies on the floor 孩子躺在地板上，看着笔记本电脑屏幕 - 隔离在白色背景

©正版 | attractive thoughtful woman using smartphone, question marks in thought bubble on blackboard behind Attractive thoughtful woman using smartphone, question marks in thought bubble on blackboard behind

©正版 | The apples on the plate look like oil paintings under the dim light on the wood grain table

©正版 | Trees on the banks of the river in white snowy frost on the banks of the river in the Moscow region on a winter sunny evening

©正版 | the candle lies on the background of the table The candle lies on the background of the table

©正版 | The inscription on the board Pizza

©正版 | The apples on the plate look like oil paintings under the dim light on the wood grain table

©正版 | the beautiful macaw perched on the railing. The beautiful macaw perched on the railing.

©正版 | The boy sitting on the stairs in the underpass 短发的小男孩布鲁内特，穿着白色T恤和绿色短裤，带着悲伤的看法坐在地下过渡到夏令时的灰色花岗岩台阶上

©正版 | man sitting on an armchair floating on the water of the ocean. Man sitting on an armchair floating on the water of the ocean. concept of crises and problems at work.

©正版 | A young man cuts the Phlox on the plot in the summer on a Sunny 夏天，一个年轻人在阳光明媚的日子里，在地块上剪下Phlox

©正版 | Blue-eyed little boy leans on the handle lying on the floor of the house Blue-eyed little boy leans on the handle lying on the floor of the house

©正版 | The handle on the open white door The handle on the open white door close up

©正版 | Wooden kitchen utensils on the board. Empty wooden board on the table. 木板上的木制厨房用具.桌上的木板是空的.免费的信息和产品空间.

©正版 | Jumping on the trampoline Jumping on the trampoline 3d rendering

©正版 | Llama on the meadow

©正版 | The man on the top of rock

©正版 | Funny girl in pajamas costume dragon sitting on the lawn, on the horizon 穿着睡衣的有趣女孩龙坐在草坪上，地平线上，呼唤着他

©正版 | A car parked on the side of the road, an empty red canister. The driver is on the road. Help on the road. Fuel shortage - oil, diesel, gasoline

©正版 | upper jaw prosthesis from the inside to the morphology of the teeth on the model. filmed on a white background Upper jaw prosthesis from the inside to the morphology of the teeth on the model. filmed on a white background

©正版 | The man on beach, squinting from the sun 在海滩上，人从阳光，眯着眼睛特写

©正版 | Cows on the country 绿场上的黑白奶牛

©正版 | Book on the tree. 打开的旧书躺在一个带有美丽地壳的树枝上.

©正版 | Satay on the grill

©正版 | Situation on the market 女商人提出金融解决方案在触摸板的特写

©正版 | Reflections on the lake 湖上日出前的几点思考

©正版 | girl on a scooter in the park in the summer on a walk Girl on a scooter in the park in the summer on a walk

©正版 | Bird on the wire like note on the sheet music with sky background

©正版 | The Parthenon and the Propylaea on the Acropolis at night The Parthenon and the Propylaea on the Acropolis at night with a dark black sky as a backdrop

©正版 | 樱桃与面团的生饺子 Raw dumplings with cherries in flour on the kitchen blackboard pieces of dough and rolling pin

©正版 | The kid in the blue jacket frowns lying on the bed

©正版 | Woman washing the dishes. Vegetables on the background. 吃素晚餐后洗碗的快乐年轻女子。背景蔬菜.

©正版 | Tiger on the chain 老虎在电路上。这张照片是在泰国普吉岛拍摄的.

©正版 | seagull on the boat Seagull on the boat for a passage

©正版 | Wristwatch on the hand isolated on white background.

©正版 | 樱桃与面团的生饺子 Raw dumplings with cherries in flour on the kitchen blackboard pieces of dough and rolling pin

©正版 | 在砧板上的生面团球 Big ball of raw dough in the flour on the kitchen blackboard sieve for sifting flour, spoon, rolling pin, cooking dumplings

©正版 | 年轻老师介绍一下自己的类 Attractive young teacher introducing herself to the class pointing to a handwritten notation on the blackboard saying - English Lesson - Mrs Smith

©正版 | woman looking at the sketch on the wall 深思熟虑的年轻女子看着墙上的素描，而坐在地板上

©正版 | Phone lying on the hand of the girl

©正版 | A small fish minnow looks caught on a worm on a jig and tackle from the water in the ice of the hole on the reflection of the angler in winter.

©正版 | Pots of beautiful indoor plants on the ground and on the left a white curtain, the wall is beige

©正版 | Little girl drawing on the table in the house

©正版 | wave of the sea on the stone sandy beach Summer beach and soft wave background. Pebble beach and sea. Summer vacation concept with copy space.

©正版 | Beautiful girl sitting on the floor in the clouds Picture of a beautiful girl sitting on the floor in the clouds

©正版 | coins under the house and the judge's hammer on the table Coins under the house and the judge's hammer on the table

©正版 | Street in the rain through the window of the car, on a cold, wet day, shot through a windscreen, focusing on the rain droplets. with copy space for your text on the sky.

©正版 | The drilling process on NC milling machine with brass material. The metal working concept on the milling machine.

©正版 | 不要晚提醒和钟面 The phrase Don't Be Late written on a blackboard above a clock face with the hands pointing towards midnight or twelve o'clock.

©正版 | Brunette girl on the stairs 可爱的黑发女孩坐在楼梯上休息一下,石头,女孩,坐着,成年人,放松点,室外,秋日,肖像画,好漂亮,高加索人,福利,黑发,老了,靴子,漂亮极了,放轻松,楼梯,沉思,和平的,思维,临时的,裙子,摆姿势,悲伤的心情,真可悲,想得真周到

©正版 | summer morning on the Grundlsee Colorful summer morning on the Grundlsee. Archkogl village in the morning moist. Alps, Austria, Europe.

©正版 | yellow canvas stretched, shading from the sun and rain over the terrace of the restaurant, on the playground in the kindergarten, on promenade. pergola with wooden gray beams, on white metal steel Yellow canvas stretched, shading from the sun and rain over the terrace of the restaurant, on the playground in the kindergarten, on promenade. pergola with wooden gray beams, on white metal steel

©正版 | Female artist painting on the canvas in the studio Woman hand holding a paintbrush againt the blank canvas with copy space

©正版 | Pregnant beautiful woman on the pier at the sea "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ""

©正版 | The house wreathed with Campsis creeper on the Street of the Col 19 世纪晚期典型的奥斯曼房屋，在土耳其伊斯坦布尔的冷喷泉（索古克塞梅索卡吉）大街上，用坎普西斯爬行者（喇叭爬行者，喇叭藤）来敬献花圈

©正版 | The word IPO is an abbreviation of the Initial Public Offering of shares on wooden blocks lying on the keyboard The word IPO is an abbreviation of the Initial Public Offering of shares on wooden blocks lying on the keyboard.

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