HOW MANY INTEGER NUMBERS BETWEEN 200 AND 300 ARE THERE FOR...

exercise 3. - DE KIEM TRA THANG 8 LOP 51
DE KIEM TRA THANG 8 LOP 51
Exercise 3. How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits? Answer: There are …….integer numbers.