5 1 6 3 7 9 July 8, 2019 16 32 64 128 1 6 3 5 x 7 9 1 5 7 of 6 3 10 )- 2 9 5 6 7 9 x 4 3 1 2 Arrange in descending order 5 6 1 3 7 9 5 6 7 9 1 3 fraction 2 4i 5 )+( 1 9i 6 )-( 3 i 7 5 6 y 1 − 1 3 y 7 9 5 7-mercaptomethyl-1 11-dimercapto-3 6 9-trimethyldecane 5 6 7 9 1 3 fraccion