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