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