3 1 6 x 1 4 7 July 8, 2019 16 32 64 128 7 x 3 1 4 x 6 1 2 1 0 6 1 6 x 4 3 7 0 4x ) 1 x 6 2x 3 1 7x 4 13 6 4 1 6 x 1 1 8 x 3 1 7 1 x )/ 6 2x )/ 3 1 7x )/ 4 2 1 6 6 x 1 )+ 4 3 7x 1 10 1 3 x 1 4 6 x 7 3 3/4 x 1 1/6 3 x 1 1/6 3 6 x 1/3 1 1/3 x 3 6/7