Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
14 – 5 =
1
3
2
9
|
2.
46 – 1 =
45
4
2
3
|
3.
21 – 5 =
16
4
3
2
|
4.
12 – 9 =
3
1
2
4
|
|
5.
3 – 2 =
2
4
1
3
|
6.
33 – 19 =
14
2
1
3
|
7.
36 + 2 =
4
3
38
2
|
8.
1 + 7 =
1
2
8
3
|
|
9.
10 + 38 =
2
48
4
3
|
10.
17 + 23 =
4
40
3
2
|
11.
22 + 18 =
4
40
3
2
|
12.
21 – 10 =
2
1
3
11
|
|
13.
11 – 3 =
2
8
3
1
|
14.
49 – 44 =
1
2
3
5
|
15.
3 – 0 =
2
1
4
3
|
16.
48 – 45 =
2
3
1
4
|
|
17.
8 – 6 =
1
4
3
2
|
18.
1 – 1 =
3
4
2
0
|
19.
40 – 34 =
3
6
1
2
|
20.
16 + 26 =
4
42
3
2
|