![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
A.syms x; f=2*exp(x)+3*x-sin(x)+1/sqrt(x); int(f,x)
B.syms x; f=2*exp(x)+3x-sin(x)+1/sqrt(x); int(f,x)
C.f=2*exp(x)+3*x-sin(x)+1/sqrt(x); int(f,x)
D.f=2*exp(x)+3x-sin(x)+1/sqrt(x); int(f,x)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_ckda.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_wyda.png)
- · 有6位网友选择 C,占比30%
- · 有4位网友选择 A,占比20%
- · 有3位网友选择 C,占比15%
- · 有2位网友选择 B,占比10%
- · 有2位网友选择 D,占比10%
- · 有1位网友选择 A,占比5%
- · 有1位网友选择 D,占比5%
- · 有1位网友选择 B,占比5%