Which two signs should be interchanged to make the below equation mathematically correct? 75 ÷ 5 × 15 - 3 + 10 = 60

Interchanging − and ÷ turns the left side into 75 − 5 × 15 ÷ 3 + 10. Then 5 × 15 = 75 and 75 ÷ 3 = 25, so the value is 75 − 25 + 10 = 60, which matches the right side.