求极限(1) lim(x→2)(3x²-2x-1)/(2x³-x²+5)(2)lim(x→
求极限(1) lim(x→2)(3x²-2x-1)/(2x³-x²+5)(2)lim(x→
求极限 1,lim(x→∞)(sinx/x +100) 2,lim(x→∞)xtan1/x 3,lim(x→1)sin^
求极限 lim(x->3)(x+1)/(x^2-5x+6)
lim x →2 (2/2x-x^2 +1/x^2-3x+2)求极限
求极限 lim x→∞(2sinx/x-)
lim(x→∞)[(3+x)/(6+x)]的[(x-1)/2]次方的极限
求极限:lim(x→无穷)(2-x/3-x)的x+2次方
求lim(x趋向1)(x^2-3x+2)/(1-x^2)的极限
求极限!lim(x趋向于1)x的平方+2x+3/x+2
求极限 lim(x→2) x/(x+2) lim(x→3) (x-3)比上根号(x+1)然后减2 lim(x→0)(x+
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
求极限lim(x→2)(3x^2+5x-7)