Choose three different numbers from the four numbers 0, 1, 5 and 6 to form three digits that can be divided by 3 and 5 at the same time, Find the sum of the maximum and minimum of such three digits

Choose three different numbers from the four numbers 0, 1, 5 and 6 to form three digits that can be divided by 3 and 5 at the same time, Find the sum of the maximum and minimum of such three digits

First of all, analyze the largest three digits: 1. Since it is the largest three digits, then the hundred digits should be 6; 2. If it can be divided by 3 and 5 at the same time, then the ten digits and the single digits can only be selected between 1 and 5. 3. If the three digits are the largest, then the number is 615