30s
40s
answers
arithmetic
asian people
asians
blackboard
blackhair
class
classroom
copy space
cram
description
education
elementary school
face protection
female
finger
high school
indoor
instructor
japanese people
juku
junior high school
learning
lecture
mathematics
middle
middleaged
no face
person
pointed out that
problem
q a
question
school
short hair
study
suit
teacher
teaching
text space
upper body
write