الفرق بيت عددين هو 15 اذا اضفنا 10 الى كل من هذين العددين اصبح اكبر الناتجين مثلي اصغرهما ما هما هذان العددين
The difference between two numbers is 15. If we add 10 to each of these numbers, the difference between the new results is the same as the difference between the original numbers. The two numbers are 5 and 20.