Erbij en eraf tot 50
In de mix
|
1.
43 – 42 =
1
2
|
2.
2 – 1 =
2
1
|
3.
23 + 4 =
27
2
|
4.
32 + 13 =
2
45
|
|
5.
8 – 2 =
6
1
|
6.
36 – 18 =
18
2
|
7.
2 – 2 =
0
2
|
8.
38 – 9 =
29
2
|
|
9.
17 – 3 =
14
1
|
10.
7 – 3 =
1
4
|
11.
9 + 11 =
2
20
|
12.
16 – 6 =
1
10
|
|
13.
7 + 43 =
50
2
|
14.
16 – 6 =
10
1
|
15.
25 – 11 =
1
14
|
16.
27 – 22 =
5
1
|
|
17.
28 + 21 =
49
2
|
18.
1 + 49 =
2
50
|
19.
39 – 15 =
2
24
|
20.
19 + 0 =
19
2
|