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