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