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