write three address instruction for given (A+B)*(D+E)

Sure, here are three address instructions for the given expression (A+B)*(D+E):

1. ADD A, B, TEMP1
2. ADD D, E, TEMP2
3. MUL TEMP1, TEMP2, RESULT

Explanation:

1. The first instruction adds the contents of memory locations A and B and stores the result in a temporary location TEMP1.
2. The second instruction adds the contents of memory locations D and E and stores the result in another temporary location TEMP2.
3. The third instruction multiplies the results of the first two instructions (stored in TEMP1 and TEMP2) and stores the final result in the memory location RESULT.