Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
4 – 0 =
4
1
2
3
|
2.
11 + 17 =
28
3
4
2
|
3.
16 – 7 =
1
9
2
3
|
4.
48 + 1 =
2
4
3
49
|
|
5.
24 – 9 =
1
3
15
2
|
6.
2 – 1 =
2
1
4
3
|
7.
18 + 17 =
2
4
35
3
|
8.
37 – 9 =
4
28
3
2
|
|
9.
49 + 1 =
3
50
4
2
|
10.
50 – 22 =
2
28
3
4
|
11.
15 – 1 =
3
2
1
14
|
12.
4 – 4 =
4
0
2
3
|
|
13.
19 – 13 =
3
6
2
1
|
14.
46 – 36 =
2
10
1
3
|
15.
17 – 9 =
3
8
1
2
|
16.
7 – 1 =
6
3
2
1
|
|
17.
48 + 1 =
3
2
4
49
|
18.
26 – 21 =
3
2
5
1
|
19.
35 + 11 =
4
3
46
2
|
20.
19 – 9 =
10
1
3
2
|