White chalk on a black chalkboard, simple and classic, symbol of learning
Palabras clave
doodle,
handwriting,
illustration,
modern,
pencil drawing,
vector,
white color,
background,
black-and-white,
calligraphy,
concept,
education,
geometry,
horizontal,
invitation,
mathematic,
ornate,
problem,
research,
science,
simplicity,
vignetting,
solution,
university,
variation,
weathered,
algebra,
christmas ornament,
continuity,
copy space,
december,
dirty,
effortless,
greyscale,
scribble,
snowing,
abstract,
computer graphic,
design element,
greeting card,
hexagon,
shape,
text,
celebration
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