Oefenen met erbij en eraf tot 20
In de mix
1.
13
9
jimmy
–
=
2.
14
3
jimmy
+
=
3.
9
3
jimmy
+
=
4.
9
1
jimmy
+
=
5.
12
7
jimmy
–
=
6.
9
7
jimmy
–
=
7.
10
9
jimmy
+
=
8.
2
1
jimmy
+
=
9.
10
6
jimmy
–
=
10.
20
6
jimmy
–
=
11.
20
18
jimmy
–
=
12.
3
3
jimmy
+
=
13.
5
12
jimmy
+
=
14.
9
4
jimmy
–
=
15.
2
0
jimmy
+
=
16.
2
0
jimmy
+
=
17.
11
6
jimmy
+
=
18.
20
16
jimmy
–
=
19.
20
12
jimmy
–
=
20.
9
4
jimmy
–
=
21.
14
13
jimmy
–
=
22.
1
1
jimmy
+
=
23.
15
7
jimmy
–
=
24.
6
5
jimmy
–
=
Oefenen met erbij en eraf tot 20
| ANTWOORDEN
In de mix
1.
13
9
4
–
=
2.
14
3
17
+
=
3.
9
3
12
+
=
4.
9
1
10
+
=
5.
12
7
5
–
=
6.
9
7
2
–
=
7.
10
9
19
+
=
8.
2
1
3
+
=
9.
10
6
4
–
=
10.
20
6
14
–
=
11.
20
18
2
–
=
12.
3
3
6
+
=
13.
5
12
17
+
=
14.
9
4
5
–
=
15.
2
0
2
+
=
16.
2
0
2
+
=
17.
11
6
17
+
=
18.
20
16
4
–
=
19.
20
12
8
–
=
20.
9
4
5
–
=
21.
14
13
1
–
=
22.
1
1
2
+
=
23.
15
7
8
–
=
24.
6
5
1
–
=