Erbij en eraf tot 50
In de mix
|
1.
10 – 0 =
10
1
|
2.
21 – 15 =
6
1
|
3.
1 – 0 =
1
2
|
4.
4 – 0 =
4
1
|
|
5.
47 – 11 =
2
36
|
6.
4 + 45 =
2
49
|
7.
35 – 35 =
2
0
|
8.
41 + 8 =
49
2
|
|
9.
4 + 39 =
2
43
|
10.
36 – 29 =
7
1
|
11.
33 – 0 =
2
33
|
12.
10 + 7 =
2
17
|
|
13.
7 – 6 =
1
2
|
14.
23 + 4 =
2
27
|
15.
47 + 2 =
2
49
|
16.
43 – 7 =
2
36
|
|
17.
1 + 1 =
2
1
|
18.
24 + 26 =
50
2
|
19.
13 – 6 =
1
7
|
20.
33 + 14 =
47
2
|