Using each of the digits 2, 3, 4 and 5 only ONCE, plus one "+" sign, and one "=" sign, can you write a correct equation?
3^2 = 4 + 5 <p>
This is because 3^2 would normally be written without the ^, signifying 3 squared. 3 sqaured is 9. 9 = 4 + 5. There's your answer.