设A={4.5.6.8}.B={3.5.7.8}.求AnB.AUB
人气:345 ℃ 时间:2020-07-01 18:41:27
解答
AnB=[5.8].AuB=[3.4.5.6.7.8]
推荐
- 设集合A={1,2,3,4,5}AnB={1,3,5,},AUB={1,2,3,4,5,6,7,}求B
- 集合A={2,4,6,8,10} B={1,2,3,4,5,6}.则AnB=( ) ,AUB=( )
- 设A={3,5,6,8} B={4,5,7,8} 求AUB,A∩B
- 设u={1.2.3.4.5.6.7.8.9.10},a={1.2.3.4.5}b={8.6.4.5.3}求aub aub
- 设U={1,2,3,4,5,6,7,8},A={x属于Z|0小于x小于等于6},B={4,6},求AnB?..
- He is a student and I am a student,too He is a studentand___________I
- 某市开展“保护母亲河”植树造林活动,该市金桥村有1 000亩荒地,绿化率达80%,300亩良田视为已绿化,河坡地植树绿化率已达20%,目前金桥村所有土地的绿化率为60%,求河坡地有多少亩.
- 帮我找一篇有意义的初二初中英语小短文.但是少一点点生词.
猜你喜欢