Erbij en eraf tot 50
In de mix
|
1.
10 – 0 =
1
10
|
2.
1 + 5 =
1
6
|
3.
15 + 14 =
2
29
|
4.
1 + 5 =
1
6
|
|
5.
48 + 1 =
2
49
|
6.
46 + 0 =
46
2
|
7.
43 – 26 =
17
2
|
8.
13 – 4 =
1
9
|
|
9.
42 + 2 =
44
2
|
10.
17 + 33 =
2
50
|
11.
49 – 0 =
2
49
|
12.
34 + 13 =
47
2
|
|
13.
2 – 1 =
2
1
|
14.
29 + 19 =
2
48
|
15.
39 + 5 =
2
44
|
16.
39 + 9 =
48
2
|
|
17.
20 + 9 =
29
2
|
18.
47 + 0 =
47
2
|
19.
19 – 12 =
1
7
|
20.
42 + 8 =
50
2
|