答案：400÷2=200
480÷4=120
400÷5=80
180÷3=60
140÷2=70
560÷7=80

答案：第一个竖式（$495÷3$）
$\begin{array}{r}\boxed{1}\ \boxed{6}\ \boxed{5}\\3\overline{)4\ 9\ 5}\\\ \ \ \ \boxed{3}\\\hline\ \ \ \ \boxed{1}\ \boxed{9}\\\ \ \ \ \boxed{1}\ \boxed{8}\\\hline\ \ \ \ \ \ \ \ \boxed{1}\ \boxed{5}\\\ \ \ \ \ \ \ \ \boxed{1}\ \boxed{5}\\\hline\ \ \ \ \ \ \ \ \ \ \ \ \boxed{0}\\\end{array}$
第二个竖式（$756÷5$）
$\begin{array}{r}\boxed{1}\ \boxed{5}\ \boxed{1}\\5\overline{)7\ 5\ 6}\\\ \ \ \ \boxed{5}\\\hline\ \ \ \ \boxed{2}\ \boxed{5}\\\ \ \ \ \boxed{2}\ \boxed{5}\\\hline\ \ \ \ \ \ \ \ \ \ \ \ \boxed{6}\\\ \ \ \ \ \ \ \ \ \ \ \ \boxed{5}\\\hline\ \ \ \ \ \ \ \ \ \ \ \ \boxed{1}\\\end{array}$
第三个竖式（$697÷2$）
$\begin{array}{r}\boxed{3}\ \boxed{4}\ \boxed{8}\\2\overline{)6\ 9\ 7}\\\ \ \ \ \boxed{6}\\\hline\ \ \ \ \ \ \ \ \boxed{9}\\\ \ \ \ \ \ \ \ \boxed{8}\\\hline\ \ \ \ \ \ \ \ \boxed{1}\ \boxed{7}\\\ \ \ \ \ \ \ \ \boxed{1}\ \boxed{6}\\\hline\ \ \ \ \ \ \ \ \ \ \ \ \boxed{1}\\\end{array}$

答案：892÷2=446
商是(四)百多
竖式：
```
446
______
2 | 892
8
______
9
8
______
12
12
______
0
```
验算：$446×2=892$
---
578÷5=115……3
商是(一)百多
竖式：
```
115
______
5 | 578
5
______
7
5
______
28
25
______
3
```
验算：$115×5 + 3 = 578$
---
927÷4=231……3
商是(二)百多
竖式：
```
231
______
4 | 927
8
______
12
12
______
7
4
______
3
```
验算：$231×4 + 3 = 927$
---
743÷3=247……2
商是(二)百多
竖式：
```
247
______
3 | 743
6
______
14
12
______
23
21
______
2
```
验算：$247×3 + 2 = 743$