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