8算一算
$ 80 - 60 = $
$ 20 + 5 = $
$ 88 - 8 = $
$ 86 - 74 = $
$ 51 + 27 = $
$ 13 + 74 = $
$ 80 + 18 = $
$ 93 - 33 = $
$ 34 + 53 = $
$ 72 + 23 = $
$ 40 - 33 = $
$ 76 + 14 = $
$ 83 - 62 = $
$ 69 - 8 = $
$ 98 - 44 = $
$ 65 + 9 = $
$ 21 + 67 = $

1. $80 - 60 = 20$
2. $20 + 5 = 25$
3. $88 - 8 = 80$
4. $86 - 74 = 12$
5. $51 + 27 = 78$
6. $13 + 74 = 87$
7. $80 + 18 = 98$
8. $93 - 33 = 60$
9. $34 + 53 = 87$
10. $72 + 23 = 95$
11. $40 - 33 = 7$
12. $76 + 14 = 90$
13. $83 - 62 = 21$
14. $69 - 8 = 61$
15. $98 - 44 = 54$
16. $65 + 9 = 74$
17. $21 + 67 = 88$

列竖式计算
95 - 26 = $ \begin{array}{r} ($ ) \\ - ( $) \\ \hline ($ $) \end{array} 90 - 29 = $

$ \begin{array}{r} ($ ) \\ - ( $) \\ \hline ($ $) \end{array} $
45 + 38 = $ \begin{array}{r} ($ ) \\ + ( $) \\ \hline ($ $) \end{array} 50 - 19 = \begin{array}{r} ($ ) \\ - ( $) \\ \hline ($ $) \end{array} $

$95 - 26 =$
$\begin{array}{r} 95 \\ - 26 \\ \hline 69 \end{array}$
$90 - 29 =$
$\begin{array}{r} 90 \\ - 29 \\ \hline 61 \end{array}$
$45 + 38 =$
$\begin{array}{r} 45 \\ + 38 \\ \hline 83 \end{array}$
$50 - 19 =$
$\begin{array}{r} 50 \\ - 19 \\ \hline 31 \end{array}$

列竖式计算
$ 34 + 13 = $

$ 53 + 37 = $

$ 86 - 46 = $

$ 16 + 48 = $

```
34
+ 13
----
47
53
+ 37
----
90
86
46
----
40
16
+ 48
----
64
```