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