Erbij en eraf tot 50
In de mix
|
1.
14 + 19 =
2
33
|
2.
11 – 5 =
6
1
|
3.
20 + 25 =
2
45
|
4.
7 – 2 =
5
1
|
|
5.
29 + 19 =
2
48
|
6.
40 – 17 =
23
2
|
7.
23 – 20 =
1
3
|
8.
23 – 7 =
2
16
|
|
9.
3 – 0 =
3
1
|
10.
43 – 43 =
2
0
|
11.
30 + 12 =
2
42
|
12.
17 – 14 =
1
3
|
|
13.
38 – 27 =
11
1
|
14.
15 – 6 =
1
9
|
15.
20 – 17 =
3
1
|
16.
20 – 13 =
7
1
|
|
17.
18 – 3 =
1
15
|
18.
49 + 1 =
50
2
|
19.
30 + 5 =
2
35
|
20.
19 – 19 =
0
2
|