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