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