5 3 9x 4 10 July 8, 2019 16 32 64 128 10 x 3 9x 4 )=- 5 3 5 3 9x4 )- 10 9x 3 x 4 )= 10 x 5 )+ 7 5 + 9 = 14 5 3 - 9 * (-4 4)
