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