7 2 3 c 4 1 3 July 8, 2019 16 32 64 128 Solve 7 2/3 c 4 1/3 A 1 4 b 3 2 c 7 3 A =( 2 7 b =( 0 11 c =( 3 4 1 3 7 4+3 2