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