Quotation galleryUse the big thinker's vocabulary. Use big, bright, cheerful words. Use words that promise victory, hope, happiness, pleasure, avoid words that create unpleasant images of failure, defeat, grief.David. J. Schwartz
Диспут
12.03.2013 Проведен диспут на тему «Нужна ли в школе внеклассная работа по математике?».