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