6x 6 9x 7 July 8, 2019 16 32 64 128 6 6x 7x 9x 2 6 6x 7x 9x 14 6 6x 7x 9x 10 6 6x 7x 9x 18 6 6x 7x 9x 22 6 6x 7x 9x 6 6x 9x 7 5 6 6x 7 )-( 9x 6 )=- 23 7x 8 )+( 6x 6 )+( 9x 4 4x 6 6x 7 10 9x 7 12x 6 6x 9x 30 7x