7 2 1 34 July 8, 2019 16 32 64 128 7 x 2 )+ 1 =- 34 7 x 2 2 7 x 1 345 326 iac 2 7 1 34 7 x 2 2x7 x 1 345 6 n 7 )- 2 1 4n 34 5y 34 =- 2 (- 7 1
