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