15 x 7 2x July 8, 2019 16 32 64 128 15 x 2 )= 6 2x 7 3 x 15 )= 2x 7 15 2x 7 x 1 2x 2 15 x 7 7 x =( 15 x )-( 2x 8 2x 15 7 x 5 2x 9 15 x 7 4 x 7 2x 15 15 5 2x 7 )= x 4 3x 9x 7 x 2x 15 3 7 x 15 2x 0
