A classroom chalkboard filled with mathematical equations and geometric diagrams. The board features algebraic expressions, linear and quadratic functions, and geometric shapes. Various mathematical symbols are applied throughout. Linear and curved graphs are drawn alongside complex equations and symbols. The wooden frame of the chalkboard holds a ledge with colored chalk pieces neatly arranged. The lighting suggests a warm classroom environment, enhancing the intricate details and clarity of the chalk illustrations on the dark green surface.
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