【单选题】For every business, which of the following is not included in the three important financial statements.
【判断题】设S 是非空有限集,代数系统(P(S), )是有幺半群。
【判断题】设S 是非空有限集,代数系统(P(S), )是半群。
【简答题】Every business is in er of losing money if it can’t (modern) _______.
【单选题】设S 是非空有限集,代数系统(P(S), )中。单位元是
【判断题】设S 是非空有限集,代数系统(P(S), )中。单位元是空集。
【判断题】设S 是非空有限集,代数系统(P(S), )中。单位元是S。
【判断题】设S 是非空有限集,代数系统(P(S), )中。单位元是空集。
【单选题】For every business, which of the following is not included in the three important financial statements?