Erbij en eraf tot 50
In de mix
|
1.
39 + 5 =
2
44
|
2.
49 + 0 =
49
2
|
3.
42 + 7 =
2
49
|
4.
12 – 4 =
8
1
|
|
5.
1 + 8 =
1
9
|
6.
33 – 31 =
1
2
|
7.
27 – 11 =
16
2
|
8.
30 – 0 =
30
2
|
|
9.
34 – 0 =
34
2
|
10.
11 – 6 =
5
1
|
11.
16 – 13 =
3
1
|
12.
48 – 15 =
2
33
|
|
13.
27 – 11 =
16
2
|
14.
39 – 3 =
2
36
|
15.
26 – 4 =
2
22
|
16.
1 + 6 =
1
7
|
|
17.
35 – 13 =
2
22
|
18.
8 – 1 =
1
7
|
19.
20 – 19 =
1
2
|
20.
17 + 14 =
31
2
|