Logarithmic functions written in white chalk on a black chalkboard isolated on white
Palabras clave
logarithmic,
worked,
logarithm,
algebra,
rule,
mathematic,
blackboard,
concept,
education,
classroom,
black,
blackboard,
chalk,
school,
solution,
class,
science,
background,
theory,
calculus,
indexed,
inverse,
product
){kind=link}