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