Erbijsommen en erafsommen tot 50
In de mix
1.
40
30
–
=
2.
25
20
+
=
3.
30
15
–
=
4.
35
15
–
=
5.
20
15
+
=
6.
30
25
–
=
7.
25
10
+
=
8.
15
20
+
=
9.
25
15
–
=
10.
30
15
–
=
11.
45
20
–
=
12.
20
20
+
=
13.
45
30
–
=
14.
45
30
–
=
15.
50
15
–
=
16.
10
5
+
=
17.
15
10
+
=
18.
15
15
+
=
19.
50
15
–
=
20.
20
10
+
=
21.
20
15
+
=
22.
45
5
+
=
23.
35
5
+
=
24.
35
10
+
=