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