1. 115₁₆ + A70₁₆ = 2949₁₀ -> 21353₆
2. C97A₁₆ = 1100100101111010₂ - 11100111011₂ = 1100001000111111₂ -> 30020333₄
3. 10011111 * 10001111 = 101100011010001₂ - > 58D1₁₆
110101 * 1111010 = 1100101000010₂ -> 1942₁₆
4. 1201₃ = 46₁₀
1B3₁₆ = 435₁₀
435+46 = 481₁₀ -> 341₁₂