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