Calculate roots of fractions: square root of 1/4, square root of 9/25, cube root of 1/27, 4th root of 1/10000, square root of 4/49, square root of 2 7/9, 5th root of 1/32, 3th root of 3 3/8, 3th root of 343/1000, square root of 5 4/9, square root of 2/9, square root of 4/5, square root of 8/25, square root of 1 5/7, 4th root of 7 58/81, cube root of 5/8, 6th root of 729/1000000, square root of 18/121, square root of 1 1/9, cube root of 10 1/8.