3 7 x 5 6 5 6 x 4 7 July 8, 2019 16 32 64 128 3 4 x 4 5 5 6 x 6 7 x 7 8 5 6 x 1 3 + 7 6 x 5 1 7 = 4 8 9 5 x 7 = 35 ( 5 3 − 7 3 )⋅ 6 5 3 5 x 6 7 4 6*3 5+5 7
