Using what you learned in this section, answer the following.
Is the set of negative rational numbers closed under division?
정답·풀이 보기 (영어 원문)
The set of negative rational numbers is not closed under division.
한 번 더 — 비슷한 문제Sundstrom, Mathematical Reasoning · 1.1절 · 9g번영어 원문
Using what you learned in this section, answer the following.
Is the set of negative integers closed under addition?
다 풀었으면 정답 확인
The set of negative integers is closed under addition.