Erbij en eraf tot 50
In de mix
|
1.
3 – 2 =
2
1
|
2.
23 – 10 =
1
13
|
3.
18 – 8 =
10
1
|
4.
11 + 16 =
27
2
|
|
5.
1 – 1 =
0
2
|
6.
9 – 6 =
1
3
|
7.
37 + 11 =
48
2
|
8.
32 – 7 =
25
2
|
|
9.
27 – 6 =
2
21
|
10.
15 – 5 =
1
10
|
11.
12 + 5 =
2
17
|
12.
6 + 14 =
20
2
|
|
13.
34 + 4 =
2
38
|
14.
5 + 31 =
2
36
|
15.
46 + 1 =
47
2
|
16.
9 + 6 =
1
15
|
|
17.
2 + 22 =
24
2
|
18.
22 – 12 =
10
1
|
19.
35 – 3 =
32
2
|
20.
43 – 19 =
2
24
|