algebra
background
board
cartoon
chalk
character
class
classroom
clothes
college
concept
education
engineering
exam
excellent
explain
female
formal
formula
geometry
handsome
happy
icon
illustration
isolated
knowledge
learning
lesson
math
mathematics
mature
measurement
people
proof
protractor
ruler
school
stationery
student
study
studying
subject
teacher
theorem
tool
university
white
woman
work
定額
Teacher with Protractor Isolated on White Background. Mature Handsome Female Character Wear Formal Clothes Explain Lesson to Students in Classroom,Education Concept. Cartoon People Vector Illustrationの素材 [FY310189054835]
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