Vista ritagliata di numeri di scrittura uomo con gesso sulla lavagna - Foto e immagini stock

Numbers written in multicolored chalk background image

Figures written on school blackboard

Background of numbers. from zero to nine. Numbers texture. Finance data concept. Mathematic. Seamless pattern with numbers. financial crisis concept. Business success.

Background of numbers. from zero to nine. Numbers texture. Finance data concept. Mathematic. Seamless pattern with numbers. financial crisis concept. Business success.

Figures written on school blackboard

Teacher writing various primary school maths formula on chalkboard..