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