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