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