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