9 1 4 1 5 8 July 8, 2019 16 32 64 128 9 3 4 1 5 8 9 1 4 2 5 8 9 1 4 6 5 8 9 1 4 7 5 8 1 5 25x 75 )+ 9 1 4 8x 36 9 1 4 minus 5 8 9 1 4 plus 5 8 1 4 9 divided by 1 5 8