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