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