(A.)(-1,0) (B.)(0,1) (C.)(1,2) (D.)(2,3)【例38】函数$f(x)=\frac{|x|\sin(x-2)}{x(x-
=(x)^3-3(x)^2 的单减凸区间是()A.(-∞,0)B.(1,2)C.(0,1)D.(2.+∞)A.(-∞,0)B.(1,2)C.(0,1)D.(2.
[题目]-|||-(2014·北京卷)已知集合 = x|{x)^2-2x=0} , = 0,-|||-1,2),则 cap B=()-|||-A.(0)B.(
(0,1) , =2s-1,则(0,1) , =2s-1,( )。A.(0,1) , =2s-1,B.(0,1) , =2s-1,C.(0,1) , =2
(-2,1)-|||-C.(0,1) D. (-infty ,-2) x (1,+infty )
^3-4(x)^2+1=0 在哪一区间上至少有一个实根-|||-A.(1,2) B.(0,1) C. (-2,-1) D. (0,dfrac (1)(2))
1:1(B.). 1:2(C.). 1:3(D.). 2:1(E.). 3:2断肢(指)再植吻合血管时的动、静脉适宜比例应是{A.}. 1:1{B.}. 1:2
(1,2)cup (2,3] C.[1,3) D. [ 1,2)cup (2,3)
》[真题6](2018)函数 =arcsin (1-x)+dfrac (1)(2)lg dfrac (1+x)(1-x) 的定义域是 __-|||-A.(0,1
[真题6](2018)函数 =arcsin (1-x)+dfrac (1)(2)lg dfrac (1+x)(1-x) 的定义域是 __-|||-A.(0,1)