'Summer vacation independent research elementary school student'—when the calendar points to June, don't you see these words appearing more often in your search history? I am Takamasa Suzuki, ...
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Finish the solution so that it returns the sum of all the multiples of ...