math sign, arrows and number
Palabras clave
arrow,
ask,
balance,
box,
brush,
calculating,
calculating machine,
check,
compute,
dividing,
doodle,
drawn,
education,
equal,
exclamation,
false,
freehand,
grunge,
hand,
homework,
icon,
ink,
interface,
isolated,
learning,
line,
list,
mark,
mathematic,
mathematic,
minus,
multiply,
number,
paint,
pass,
plus,
question,
root,
school,
scribble,
signs,
vignetting,
square,
star,
symbol,
tick,
vector,
wrong