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