Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
15 + 6 =
21
4
2
3
|
2.
19 – 15 =
1
4
2
3
|
3.
18 – 11 =
1
2
3
7
|
4.
23 + 6 =
29
4
3
2
|
|
5.
37 – 2 =
3
4
2
35
|
6.
30 – 24 =
2
3
1
6
|
7.
2 + 16 =
2
3
18
4
|
8.
16 – 11 =
3
2
1
5
|
|
9.
9 – 9 =
4
3
2
0
|
10.
29 + 17 =
46
2
4
3
|
11.
50 + 0 =
2
50
4
3
|
12.
45 + 5 =
50
2
4
3
|
|
13.
16 + 21 =
4
2
37
3
|
14.
16 – 14 =
1
2
4
3
|
15.
43 + 5 =
2
48
4
3
|
16.
21 – 15 =
1
6
2
3
|
|
17.
1 + 44 =
3
45
2
4
|
18.
28 + 12 =
2
3
40
4
|
19.
8 – 4 =
2
1
3
4
|
20.
16 + 25 =
2
41
3
4
|