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