3d
academic
account
accounting
addition
alphabet
beige
black
blackboard
book
bookshelf
bracket
business
businessman
calculate
calculator
campus
career
chalk
college
communication
convenience
corporate
counting
diagram
direction
economic
education
entrepreneur
equal to sign
equation
executive
expense
expertise
financial
formula
freedom
hand
higher education
indicating
information
investment
isolate
keypad
knowledge
library
literacy
literature
mathematical
mathematical symbol
mathematics
novel
number
occupation
part of
problem
profession
professional
quadratic equation
quadratic formula
reliability
school
screen
shelf
single
solitude
solution
solved
studio shot
study
technology
textbook
trigonometry
university
using
定額
Cropped hands of businessman using calculator against low angle view of mathematical equations with solutionの素材 [FY31079148268]
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