Erbijsom en erafsom maken tot 50
In de mix
1.
15
30
+
=
2.
15
35
+
=
3.
50
20
–
=
4.
30
20
+
=
5.
35
15
–
=
6.
10
5
+
=
7.
25
20
–
=
8.
40
10
+
=
9.
20
15
–
=
10.
35
25
–
=
11.
15
15
+
=
12.
20
10
+
=
13.
45
25
–
=
14.
30
20
–
=
15.
20
15
–
=
16.
20
25
+
=
17.
40
35
–
=
18.
15
30
+
=
19.
15
0
+
=
20.
30
15
–
=
21.
20
15
–
=
22.
15
5
+
=
23.
40
30
–
=
24.
30
5
+
=