If3morethan n is a negative number and if5 more than n is a positive number,求n 的值?

If3morethan n is a negative number and if5 more than n is a positive number,求n 的值? Alice is a n( ) girl 英语 Miss Li is a (n )teacher This is a n开头的jacket, maria is a n（）? girl He is a(n)___.He is good at drawing he is a Chinese/a Japanese /a n english对吗 sth.is equal to A divided by N翻译成数学公式到底是什么?A/N?N/A? If and n is a positive integer,show that (a^(n+1)+n* b^ (n+1)) / (n+1) 大于 a* b^(n)如果n是一个正整数,证明 (a^(n+1)+n* b^ (n+1)) / (n+1) 大于 a* b^(n).希望在1天内有答复i forgot the equal sign ,srry 因式分解a^n+b^n因式分解 a^n+b^n Look!Here is a photo of a n( ) girl Jack is a(n)______boy.A:American youngB:young American n paau n a^ol (a^n+b^n)(a^2n-a^n*b^n+b^2n) if n is a positive integer and 2^n + 2^n+1=k,what is 2^n+2 in terms of If is given that N is an integer.Prove that (a) 3(2N-1)+1 is an even number. A(n,n)+A(n-1,n-1)=XA(n+1,n+1)求X pi()n() this is a pi()n() in my room 大家帮想一想这个单词