Once upon a time in the Land of Mathematics, a student named Alex stood at the foot of the . To reach the top (the 9th-grade diploma), Alex had to navigate through two enchanted forests: Algebra and Geometry . Part 1: The Algebra Valley (The Art of Balance)
In the chamber, the spirit of Pythagoras whispered his famous theorem: vse formuly po algebre i geometrii 5-9klass
In the final stretch, Alex met the Quadratic Equation ( ). To unlock it, they used the Discriminant ( ) and the magic formula: Once upon a time in the Land of