해법
해법
+1
소수
솔루션 단계
Given:
주어진 원 둘레
인기 있는 예
four times a number added to 7nine times three less than a numberSimpson deposits 1,200 in a savings account that earns simple interest at the rate of 5% per year. What interest does he earn at the end of 1 year?The sum of 6 consecutive even numbers is 393 .1 less than the product of 5 and a number.