Erbij en eraf tot 20
In de mix
|
1.
8 + 12 =
2
20
|
2.
19 – 5 =
1
14
|
3.
3 + 11 =
14
1
|
4.
2 – 1 =
2
1
|
|
5.
18 – 13 =
5
1
|
6.
16 + 0 =
2
16
|
7.
4 + 13 =
2
17
|
8.
3 – 0 =
3
1
|
|
9.
14 – 5 =
9
1
|
10.
12 – 2 =
10
1
|
11.
7 + 11 =
2
18
|
12.
19 + 0 =
2
19
|
|
13.
6 – 6 =
2
0
|
14.
15 + 3 =
18
2
|
15.
15 + 0 =
15
1
|
16.
3 + 2 =
5
1
|
|
17.
17 + 2 =
2
19
|
18.
11 – 5 =
1
6
|
19.
2 + 10 =
1
12
|
20.
2 + 4 =
1
6
|