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