👉 In the context of mathematics and computer science, a "twosome" is a type of mathematical operation. Specifically, it refers to the following operations: 1. Addition: The addition of two numbers is defined as adding their corresponding digits (i.e., carrying over the digit in the tens place), and then performing the sum modulo 10. 2. Subtraction: The subtraction of two numbers is defined as subtracting the smaller number from the larger one, and then performing the difference modulo
