Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
26 + 20 =
4
2
3
46
|
2.
16 + 2 =
2
18
3
4
|
3.
11 – 7 =
1
4
2
3
|
4.
43 – 28 =
3
15
2
1
|
|
5.
20 – 17 =
4
2
1
3
|
6.
18 – 5 =
2
3
1
13
|
7.
49 + 1 =
2
50
4
3
|
8.
34 + 3 =
2
37
4
3
|
|
9.
20 + 1 =
21
3
2
4
|
10.
9 – 7 =
3
2
1
4
|
11.
29 – 8 =
2
21
4
3
|
12.
18 – 9 =
3
9
1
2
|
|
13.
32 – 17 =
15
3
1
2
|
14.
9 + 9 =
18
4
3
2
|
15.
6 – 6 =
3
2
0
4
|
16.
2 + 36 =
4
38
3
2
|
|
17.
46 + 3 =
49
3
2
4
|
18.
3 – 1 =
2
3
1
4
|
19.
37 + 8 =
4
45
3
2
|
20.
48 – 11 =
3
2
37
4
|