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