architecture
background
bearded
become
blackboard
chalkboard
classroom
concept
copy space
cube
cylinder
disciplines
draw
drawn
easily
elementary
figure
geometry
glasses
good
handwritten
homework
instrument
items
knowledge day
learn
length
lesson
look
man
math
mathematical symbol
mathematics
mature
pencil
physics
protractor
ruler
school
science
senior
stem
supplies
teacher
texture
theorem
tool
triangle
tutor
use
定額
Education and knowledge. geometric shapes at high school. senior man teacher use ruler while drawing. bearded tutor man draw with ruler on blackboard. back to school. school disciplinesの素材 [FY310149404954]
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