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