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