Erbij en eraf tot 50
In de mix
|
1.
40 – 35 =
1
5
|
2.
12 – 4 =
1
8
|
3.
24 + 9 =
2
33
|
4.
20 + 4 =
24
2
|
|
5.
19 + 9 =
2
28
|
6.
12 + 36 =
48
2
|
7.
44 – 4 =
2
40
|
8.
10 – 4 =
6
1
|
|
9.
15 + 7 =
22
2
|
10.
28 + 13 =
41
2
|
11.
37 + 2 =
2
39
|
12.
45 – 36 =
9
1
|
|
13.
46 + 3 =
2
49
|
14.
45 – 24 =
21
2
|
15.
6 + 9 =
1
15
|
16.
14 + 13 =
27
2
|
|
17.
8 + 6 =
1
14
|
18.
27 + 16 =
43
2
|
19.
14 – 9 =
5
1
|
20.
21 – 14 =
1
7
|