area of a circle
banner
blackboard
board
calculator
circle
classroom
cover for notebooks
education
education material
educational
educational material
engineer
equation
formula
geometric
geometry
help teacher
illustration
information
interior of math class
learn
line
material
math
math formulas
mathematic
mathematical
mathematics
mathematics formula
paper
rule
school
science
set
sign
student
study
symbol
teach
template
textbook
training poster
tutorial
universe
university
visual material
wall
定額
vector illustration in the form of an educational poster with the image of the geometric formulas of the area of ​​a circle for the creation of textbooks on geometry and the designの素材 [FY310196358736]
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