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Some people live a lifetime in a minute,at that time i felt my future.要经典点的翻译
英语
已知全集I=N,集合A={x|x=2n,n∈N},B={x|x=4n,n∈N},则...A.I=A并B B.I=A补并B C.I=A并B补 D.I=A补并B补
数学
enjoy oneself与have good time与have fun与have time的区别I think we can _______ there A have fun B enjoy oneself C have good time D have time
英语
A,E,I,O,U加引号,前面A还是AN比如“0”,前面是A,E,I,O,U加引号前面A还是AN
英语
设A为n阶非零实方阵,A的每一个元素aij等于它的代数余子式,即aij=Aij,(i,j=1,2,3,……n)证明A可逆
数学
对角阵一定是方阵吗?定义矩阵A 满足元素aij 是aij=0 i不等于j (i,j=1,2,n)
数学
take photo of/for sb有什么不同?can i take a photo of you和can i take a photo for you翻成中文有什么不同?
英语
a second time,the second timeThrough I try for 4 time,my mom ask me ________这该怎么填 A Asecond time B a fifth time Cthe fifth time Dthe s
英语
cond time
Look at the p 56 .It’s a picture o 57 a classroom.W 58 can you see i 59 the classroom?I can seeLook at the p 56 .It’s a picture o 57 a
英语
classroom.W 58
Look __the picture.It is a picture__ my classroom.In the picture there__a bird.__name is Polly.It is lovely.So I buy a bird like this
英语
t very __.I al
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