Ключевые слова: 3d, attentive, black, book, braided hair, calculation, capital letter, chalkboard, childhood, classroom, clenching teeth, closed, communication, composite image, computer graphic, concentration, concept, conceptual, creativity, diagram, digital, digital composite, digital generated, digitally generated, digitally generated image, education, formula, freshness, fruit, full length, geography, grade, graphic, gray, green, head and shoulders, healthy eating, holding, ideas, illustration, innocence, innocent, knowledge, letter a, literature, mathematical, mathematical symbol, mathematics, number, plus sign, reading, school, school uniform, schoolboy, shoe, sign, single word, smiling, sock, student, studio shot, studying, sweater, symbol, text, western script, white background,