9 1 4 5 7 8 July 8, 2019 16 32 64 128 1 2 3 4 5 x 7 8 9 10 1 2 3 4 5 có 7 8 9 10 1 9 plus 4 1 3 plus 5 7 8 8 5 4 9 1 7 sequence 1 2 3 4 5 c 7 8 9 10 1 2 3 4 5 se 7 8 9 10 8 5 4 9 1 7 pattern Arrange in descending order 1 4 5 8 7 9