abstract
academic
algebra
background
board
book
boy
class
computer
concept
creative
design
education
elementary
engineering
equation
equipment
flat
geometric
geometry
illustration
isolated
knowledge
laptop
learn
learning
lesson
man
math
mathematics
object
poster
preparation
research
school
science
shape
student
study
subject
supplies
teach
teacher
textbook
triangle
trigonometry
university
white
write
定額
The boy stands on the books and examines the textbook on mathematics. The girl lies with a laptop and studies on her computer. Preparation for the lesson. Studying mathematics. Learning conceptの素材 [FY310157760171]
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