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