( x+3) lim (------------)的x次方 x->∞ ( x-2)

lim（x-3/x+1）^x lim趋向无穷大 lim (x->0) 3x/(sinx-x) lim(x+e^3x)^1/x lim(x->0)((x-arcsinx)/(tanx)^3) lim(1-x)^3/x 求极限~ lim sin2x/3x x趋向0 lim(x->无穷大)3sinx/x= 极限函数计算lim( x^3 / sinx - x )lim( (1/e^x-1)-(1/x) ) lim→0 sin^3/x^3 求极限lim.tanx-sinx / x^3 lim(x->π/2)ln(3+sinx) lim(x->0) (sin2x)/(tan2x)2/3 求极限lim(x→3)cosx lim(x_sin)/(3x+2cosx) lim（x ->0）sin x /x ^3+3x lim x->0 (sin x-tan x)/sin (x^3) lim(x->0)((2-x)/(3-x))^1/x lim x-1/x平方+3x-4 x-1