C 2 =- 10c July 8, 2019 16 32 64 128 C 2 10c 25 C 2 10c 0 C 2 10c 21 0 C 2 10c 5 2c C 2 10c 9 0 C 2 10c 8 0 C 2 10c 24 C 2 10c 24 0 C 2 10c 16 C 2 10c 21 C 2 10c 16 0 C 2 10c 9 C 2 10c 25 0 C 2 3c 2d 10c Solve $25 c 10c 2 0