Erbij en eraf tot 50
In de mix
|
1.
14 + 13 =
2
27
|
2.
44 – 25 =
19
2
|
3.
10 – 10 =
0
2
|
4.
28 + 5 =
33
2
|
|
5.
40 + 8 =
2
48
|
6.
36 – 15 =
21
2
|
7.
12 – 3 =
9
1
|
8.
48 – 38 =
10
1
|
|
9.
25 – 23 =
2
1
|
10.
1 + 42 =
43
2
|
11.
5 – 5 =
2
0
|
12.
31 + 12 =
2
43
|
|
13.
16 – 6 =
1
10
|
14.
50 – 34 =
2
16
|
15.
31 + 9 =
2
40
|
16.
19 + 20 =
39
2
|
|
17.
11 – 1 =
1
10
|
18.
4 – 3 =
1
2
|
19.
34 + 7 =
2
41
|
20.
14 + 0 =
14
1
|