Вправи 101 - 200 » 137

137. Спростіть вираз: 1) a^2/b^6 • b^2/a^2 = 1/b^4 ; 2) (4m^2)/k^5 • (mk^5)/12 = (4m^2• mk^5)/(k^5 • 12) = m^3/3; 3) a/2b • 2a/1 = a^2/b; 4) (15x^12)/1 • y^2/(5x^4 ) = (15x^12 y^2)/(1 • 5x^4 ) = (x^8 y^2)/1 = x8y2; 5) (11x^8)/y^8 • y^5/(33x^7 ) = 1/(3x^4 y^3 ); 6) (7k^8)/9mp • (27m^3)/(56k^6 p^2 ) = (7k^8 • 27m^3)/(9mp • 56k^6 p^2 ) = (3k^2 m^2)/(8p^3 ).