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