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