4 4 5 x 6 1 3 July 8, 2019 16 32 64 128 4 5 2 x 6 1 3 4 x 1 6 3 5 x 4 12 4 0 5 x 1 6 )+ 1 4 3x 2 4 )= 9 8 4 5 x 2 )- 1 6 3x 4 4 + 4 = 6 4 + 4 =5 4 5 × 6
