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