Erbij en eraf tot 50
In de mix
|
1.
22 – 13 =
9
1
|
2.
32 – 29 =
1
3
|
3.
41 – 38 =
3
1
|
4.
39 + 11 =
2
50
|
|
5.
11 + 31 =
2
42
|
6.
15 – 14 =
2
1
|
7.
14 – 14 =
2
0
|
8.
18 + 23 =
41
2
|
|
9.
21 – 2 =
2
19
|
10.
42 + 3 =
2
45
|
11.
9 – 6 =
3
1
|
12.
43 – 11 =
2
32
|
|
13.
38 + 3 =
41
2
|
14.
5 + 34 =
2
39
|
15.
21 + 10 =
31
2
|
16.
10 + 7 =
2
17
|
|
17.
12 – 9 =
3
1
|
18.
18 + 1 =
19
2
|
19.
5 + 33 =
38
2
|
20.
12 + 6 =
2
18
|