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