DDA

dda ddà 'dda English Noun en difficult development area. en The One, Big, Beautiful Bill https://waysandmeans.house.gov/wp-content/uploads/2025/05/The-One-Big-Beautiful-Bill-Section-by-Section.pdf 2025-05 28 w:United States House Committee on Ways & Means Generally, DDAs are areas with poverty rates of 25 percent or more or where 50 percent of households have incomes below 60 percent of the area median income. https://web.archive.org/web/20260921194135/https://waysandmeans.house.gov/wp-content/uploads/2025/05/The-One-Big-Beautiful-Bill-Section-by-Section.pdf 21 September 2026 en mathematics en digital differential analyzer.