> 数学 >
设A={1,2,3},给定A上二元关系R={,,},求r(R),s(R)和t(R).
人气:469 ℃ 时间:2020-04-10 03:06:17
解答
r(R)={,,,,},s(R)={,,,,},t(R)={,,,,}
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版