Ключевые слова: ability, analysis, arithmetic, background, blue, board, brain, business, certification, characteristic, chess, chessboard, compliance, development, education, exam, examination, figure, flat, game, intellect, intelligence, iq, knowledge, lay, level, light, logic, measurement, memo, method, note, object, paper, phrase, pieces, quotient, rational, research, result, score, sheet, smart, study, success, test, text, top, view, work,