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