Erbij en eraf tot 50
In de mix
|
1.
28 – 17 =
11
1
|
2.
25 + 23 =
48
2
|
3.
37 – 18 =
2
19
|
4.
45 – 1 =
44
2
|
|
5.
6 – 2 =
4
1
|
6.
42 + 4 =
2
46
|
7.
15 + 4 =
2
19
|
8.
11 – 4 =
7
1
|
|
9.
4 + 16 =
2
20
|
10.
17 – 3 =
14
1
|
11.
47 – 28 =
19
2
|
12.
17 – 2 =
1
15
|
|
13.
26 – 22 =
1
4
|
14.
8 – 2 =
6
1
|
15.
9 + 19 =
28
2
|
16.
28 – 4 =
2
24
|
|
17.
50 – 49 =
2
1
|
18.
10 – 1 =
9
1
|
19.
50 – 43 =
1
7
|
20.
34 – 13 =
21
2
|