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