Blackboard with mathematics sketches - vector illustration
Schlüsselwörter
school,
education,
blackboard,
formula,
equation,
mathematic,
mathematic,
physics,
graph,
number,
vignetting,
vector,
abstract,
background,
art,
blue,
board,
calculate,
chart,
circle,
cosine,
count,
dark,
diagram,
engineer,
engineering,
figure,
illustration,
learn,
many,
minus,
multiplication,
orange,
parabola,
plus,
red,
scalar,
sinus,
square,
subtraction,
instructing,
technical,
theory,
triangle,
wall,
wallpaper,
white,
yellow
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