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