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