activity
architect
back to measure
beard
bearded
calculation
classic
classroom
college
cone
copy
disciplines
education
element
exam
formal
happy
high
holding
learning
lesson
male
man
math
mathematics
mature
measurement
minus
outline
pass
picture
practice
prepare
protractor
ruler
school
sinus
size
smart
student
studying
subject
task
teacher
tool
work
定額
brutal unshaven guy university lecturer at chalkboard, exact scienceの素材 [FY310173219583]
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