Mathematik lernen mit Abakus-Hilfe - Stockfoto & -bild

1plus 1equal 3 handwritten with white chalk on a blackboard

School, blackboard and other school equipment

Back to school concept with long numbers calculation on blackboard and a desk with books, fruit

Going back to school concept with blackboard full of numbers and a busy student desk

Going back to school concept with blackboard full of numbers and a busy student desk

Blackboard with chalk on the chalkboard

Student working on math problem

Black chalk board with word sale on blackboard

Numbers and number on a white background

Old slate board from the school with chalk,sponge and apple

Young woman writing on paper with marker

... because you can do what you want!\r\ntip: first clean the board,then you have to stamp away less as i do :-)

The number pi on a blackboard