Egy tanár felírja a Pitagorasz-tétel egyenletet egy fekete táblára, miközben egy diákcsoportot tanít egy osztályteremben. - Stock fotó és kép

A teacher writes the Pythagorean theorem equation on a black chalkboard while teaching a group of students in a classroom

Female hand writing maths formulas on chalkboard

Pythagorean theorem on green chalkboard, basic math education

Scenic view of education concept

A teacher writes the Pythagorean theorem equation on a black chalkboard while teaching a group of students in a classroom

A teacher writes the theory of relativity Einstein equation on a black chalkboard while teaching a group of students in a classroom

A teacher writes the theory of relativity Einstein equation on a black chalkboard while teaching a group of students in a classroom

A teacher fills in a checkbox within in a series of symbols while teaching a math equation to a group of students

A teacher explains to students the principles of a normal distribution in the area of probability distribution.

A teacher explains to students Newton's law of gravity diagram, a theoretical physics equation that describes the behavior force and mass

A teacher explains to students the Feynman diagram, a theoretical physics equation that describes the behavior and interaction of subatomic particles

A teacher explains to students the principles Schrodinger's linear partial differential wave function equation, a key element of quantum mechanics.