Erbijsommen en erafsommen tot 50
In de mix
1.
80
6
+
=
2.
44
23
+
=
3.
46
0
–
=
4.
64
1
+
=
5.
32
43
+
=
6.
70
15
+
=
7.
58
2
+
=
8.
18
28
+
=
9.
22
5
–
=
10.
49
1
+
=
11.
89
1
–
=
12.
60
8
–
=
13.
78
12
–
=
14.
2
42
+
=
15.
9
10
+
=
16.
11
10
–
=
17.
72
18
+
=
18.
29
4
–
=
19.
4
1
–
=
20.
18
43
+
=
21.
7
1
–
=
22.
69
20
+
=
23.
35
64
+
=
24.
15
43
+
=