3 6 7 2 3 4 July 8, 2019 16 32 64 128 3 6 7 * 2 4 9 (- 6 7 )( 2 3 )(- 4 5 1 6 7 2 3 4 3 6 7 x 4 2 3 3 6 7 divided by 4 2 3 Х 2 3 7 6 4 3
