Maths board with science formulas. Algebra, mathematics and physics functions on chalkboard, school education, transparent background, png file
Schlüsselwörter
mathematic,
mathematic,
white,
board,
page,
algebra,
formula,
science,
number,
calculation,
calculus,
signs,
symbol,
school,
education,
abstract,
background,
complexity,
complex,
problem,
equation,
handwritten,
solution,
lesson,
teacher,
student,
language,
scientist,
smart,
difficult,
class,
study,
theory,
research,
cognition,
many,
learn,
blackboard,
blackboard,
black,
transparent
Deutsch
