Question

develop an algorthim for exchanging values of two variables​

Answer 1

Answer:Step 1 : Start.

Start 2 : READ num1, num2.

Start 3 : num1 = num1 + num2.

Start 4 : num2 = num1 - num2.

Start 5 : num1 = num1 - num2.

Start 6 : PRINT num1, num2.

Start 7 : Stop.

Explanation: