(-1/3)^-2
=(-3)^2
=9
猜你喜欢
- 1What did you do yesterday afternoon?I studied [ ]
- 2I have some letters-----my penfriends today.A.writes B.wrote C.to write D.to write to
- 3形容伤感的成语
- 4用数学归纳法证明,自然数列里,前n个自然数的平方和为,Sn=n(n+1)(2n+1)1/6
- 5有谁知道"they go from house to house and ring the doorbell"是什么意思?
- 6英语中关于 YES、 NO 的用法
- 7They all live next to my school.next to my school划线 对划线部分提问
- 8The TV play I watched last night is the best one _____ I have watched this year?
- 9描写小男孩的句子,还有文章的开头~
- 1022g二氧化碳中含质子的物质的量为多少