angle
background
blue
chalkboard
circle
class
college
concept
dark
design
drawing
education
element
equation
figure
formula
geometry
homework
icon
illustration
isolated
item
learn
learning
lesson
math
mathematical
mathematics
object
protractor
pythagorean
ruler
scheme
school
science
shape
sign
silver
square
study
studying
symbol
teach
theorem
tool
triangle
triangular
university
web
定額
Silver Triangle math icon isolated on dark blue background. Vector Illustration.の素材 [FY310150223421]
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