3 a 2 July 8, 2019 16 32 64 128 3 a 2 ustg 3 a 2024 3 a 2 4 3 a 2 )= 12 3 a 27 3 a 20 3 a 2 5 3 a 2 )= 18 3 a 2 )= 15 3 * a 21 3 a 2 1 3 a 2 6 3 a 22 3 a 243 3 a 23
