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