Oefenen met erbij en eraf tot 20
In de mix
1.
10
5
jimmy
+
=
2.
14
9
jimmy
–
=
3.
11
6
jimmy
–
=
4.
3
10
jimmy
+
=
5.
11
5
jimmy
–
=
6.
5
3
jimmy
–
=
7.
11
6
jimmy
–
=
8.
2
3
jimmy
+
=
9.
8
7
jimmy
+
=
10.
3
16
jimmy
+
=
11.
2
5
jimmy
+
=
12.
5
4
jimmy
+
=
13.
10
2
jimmy
–
=
14.
2
5
jimmy
+
=
15.
19
3
jimmy
–
=
16.
10
2
jimmy
–
=
17.
16
3
jimmy
+
=
18.
2
9
jimmy
+
=
19.
15
12
jimmy
–
=
20.
6
2
jimmy
–
=
21.
4
2
jimmy
+
=
22.
3
16
jimmy
+
=
23.
3
1
jimmy
+
=
24.
6
4
jimmy
–
=
Oefenen met erbij en eraf tot 20
| ANTWOORDEN
In de mix
1.
10
5
15
+
=
2.
14
9
5
–
=
3.
11
6
5
–
=
4.
3
10
13
+
=
5.
11
5
6
–
=
6.
5
3
2
–
=
7.
11
6
5
–
=
8.
2
3
5
+
=
9.
8
7
15
+
=
10.
3
16
19
+
=
11.
2
5
7
+
=
12.
5
4
9
+
=
13.
10
2
8
–
=
14.
2
5
7
+
=
15.
19
3
16
–
=
16.
10
2
8
–
=
17.
16
3
19
+
=
18.
2
9
11
+
=
19.
15
12
3
–
=
20.
6
2
4
–
=
21.
4
2
6
+
=
22.
3
16
19
+
=
23.
3
1
4
+
=
24.
6
4
2
–
=