ДАЮ 25 БАЛЛОВ. Упростите выражение. ах - ау/ 5х^2 у^2 × 5ух/ bу - bх
((ax-ay)/(5x²y²))*(5xy/(by-bx))=(a*(x-y)/(5x²y²))*(5xy/(b*(y-x))= =a*(x-y)*5xy/(-5x²y²*b*(x-y)=-a/xy.