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