【题目】-|||-(int )_(0)^4dfrac (1)(1+sqrt {x)}dx.

定积分(int )_(0)^4dfrac (dx)(1+sqrt {x)}的值是（ ）(int )_(0)^4dfrac (dx)(1+sqrt {x)}(i

[题目]计算定积分 (int )_(0)^1dfrac (1)(1+sqrt {x)}dx.

【题目】-|||-计算下列定积分:-|||-(12) (int )_(1)^4dfrac (dx)(1+sqrt {x)};

[题目]计算定积分: (int )_(4)^9sqrt (x)(1+sqrt (x))dx.

计算下列定积分: (12) (int )_(1)^4dfrac (dx)(1+sqrt {x)}; 计算下列定积分: (12) ;

不定积分int dfrac (1)(1+sqrt {x)}dx= __ 。（） int dfrac (1)(1+sqrt {x)}dx= __ 。

不定积分int dfrac (1)(1+sqrt {1-x)}dx=( ) int dfrac (1)(1+sqrt {1-x)}dx=int dfrac (

(4) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx

[题目] (int )_(2)^4dfrac (1)(x)dx= __

(8) (int )_(1)^4dfrac (ln x)(sqrt {x)}dx;