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