Erbij en eraf tot 50
In de mix
|
1.
16 – 16 =
0
2
|
2.
27 + 15 =
2
42
|
3.
14 – 5 =
1
9
|
4.
50 + 0 =
50
2
|
|
5.
35 – 1 =
34
2
|
6.
12 + 23 =
2
35
|
7.
31 – 27 =
1
4
|
8.
9 – 2 =
7
1
|
|
9.
7 + 14 =
2
21
|
10.
44 + 6 =
50
2
|
11.
45 – 17 =
28
2
|
12.
22 – 16 =
1
6
|
|
13.
39 – 39 =
0
2
|
14.
42 + 8 =
50
2
|
15.
38 – 10 =
2
28
|
16.
33 + 1 =
34
2
|
|
17.
28 + 11 =
39
2
|
18.
1 – 0 =
1
2
|
19.
48 – 33 =
1
15
|
20.
19 – 14 =
1
5
|