题目内容:
1.lim x→0 (1-2/x+2) 2.lim x→2(x^2+6x+5)3.lim x→-1 x^2+1/x^2+2x+3 4.lim x→3 x^2-5x+6/x^2-2x-3
5.lim x→-2 x^2+x-2/x^2-4 6.lim x→1 √x-1/x-1
7.lim x→0 √1-x-1/x 8.lim x→0 √1+2x-1/x
9.lim n→∞ n^3-2n+1/3n^3+2n+1 10.lim x→∞ (3x+4)^8/(3x-1)^5(1-2x)^3
参考答案: