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