5算一算
$ 54 - 9 = $
$ 14 + 20 = $
$ 35 - 10 = $
$ 36 + 8 = $
$ 25 - 5 = $
$ 54 + 9 = $
$ 47 + 2 = $
$ 92 - 60 = $
$ 73 + 20 = $
$ 45 + 12 = $
$ 65 - 3 = $
$ 35 + 9 = $
$ 40 - 8 = $
$ 84 - 14 = $
$ 23 + 52 = $
$ 19 + 21 = $
$ 57 - 17 = $

54-9=45
14+20=34
35-10=25
36+8=44
25-5=20
54+9=63
47+2=49
92-60=32
73+20=93
45+12=57
65-3=62
35+9=44
40-8=32
84-14=70
23+52=75
19+21=40
57-17=40

列竖式计算
$ 71 + 27 = $
$ 67 + 18 = $$$$$ 24 + 56 = $$ 42 + 30 = $$


$ 34 + 18 = $
$ 55 + 28 = $$$$$$$ 35 + 22 = $$ 39 + 45 = $$

$71 + 27 = 98$
```
71
+ 27
-----
98
```
$67 + 18 = 85$
```
67
+ 18
-----
85
```
$24 + 56 = 80$
```
24
+ 56
-----
80
```
$42 + 30 = 72$
```
42
+ 30
-----
72
```
$34 + 18 = 52$
```
34
+ 18
-----
52
```
$55 + 28 = 83$
```
55
+ 28
-----
83
```
$35 + 22 = 57$
```
35
+ 22
-----
57
```
$39 + 45 = 84$
```
39
+ 45
-----
84
```