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