4 9 x 3 5 x 5 6 July 8, 2019 16 32 64 128 4 6 x )- 2 3 x )- 5 9 5 2x 4 5 x 5 6 )- 2 3 x 1 4 )= 10 9 4 x 9 - 5 5 3 - 9 * (-4 4)
