4k^2-4(k+1)(k-3)
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x)3Ɏ3565ִI*/5/.H̳
(4k^2+7k)+(-k^2+3k-1)
2k/(3k-1)=4k/(3k+2)求k
[k*(2-4k)/(1+2k)]+2k+1
4k^2-4(k+1)(k-3)
数式变形(1) K^3-2K+4/K
求证:lim1^k+2^k+3^k+4^k+.n^k/n^(k+1)=1/k+1n是正整数,后面的k+1有括号的
(k*k*k-2k+4)/4k
证明:1/(3k+2)+1/(3k+3)+1/(3k+4)>1/(k+1)
(3k^2+7k)+(4k^2-3k+1)
数学方程求解1-2k+k^2-2k^3-k^4=0
4k^3+12k^2+11k+3怎样写(k+1)(...)的形式?
k-4-2k|/√(k^2+1)= 3 K=?
4k^3+6k^2+k+1=0.求K~
-4-2k|/√(k^2+1)= 3 K=?|-k-4-2k|/√(k^2+1)= 3 K=?
化简:k-1/k²-4k+4÷1-k/k²-4的结果是( ) A、2-k/k+2 B、k+2/k-2 C、k+2/2-k D、k-2/k+2
(4*k^3+11k+12*k^2+3)/(k+1)怎么化简到4(k+1)^2-1?
求教数列裂项题,求(4k-1)/(k*(k+2))*3^k-1(k=1~n)的和
k^4+2k^2-6k-3=0