Oefen erbijsommen en erafsommen tot 12
In de mix
1.
5
5
jimmy
+
=
2.
6
1
jimmy
+
=
3.
8
3
jimmy
+
=
4.
10
2
jimmy
–
=
5.
2
2
jimmy
+
=
6.
3
4
jimmy
+
=
7.
4
3
jimmy
+
=
8.
6
3
jimmy
+
=
9.
11
1
jimmy
+
=
10.
2
3
jimmy
+
=
11.
3
7
jimmy
+
=
12.
9
6
jimmy
–
=
13.
9
7
jimmy
–
=
14.
2
4
jimmy
+
=
15.
4
3
jimmy
–
=
16.
3
2
jimmy
–
=
17.
4
3
jimmy
–
=
18.
7
3
jimmy
–
=
19.
2
0
jimmy
+
=
20.
4
3
jimmy
–
=
21.
6
1
jimmy
+
=
22.
11
5
jimmy
–
=
23.
7
5
jimmy
–
=
24.
6
6
jimmy
+
=
Oefen erbijsommen en erafsommen tot 12
| ANTWOORDEN
In de mix
1.
5
5
10
+
=
2.
6
1
7
+
=
3.
8
3
11
+
=
4.
10
2
8
–
=
5.
2
2
4
+
=
6.
3
4
7
+
=
7.
4
3
7
+
=
8.
6
3
9
+
=
9.
11
1
12
+
=
10.
2
3
5
+
=
11.
3
7
10
+
=
12.
9
6
3
–
=
13.
9
7
2
–
=
14.
2
4
6
+
=
15.
4
3
1
–
=
16.
3
2
1
–
=
17.
4
3
1
–
=
18.
7
3
4
–
=
19.
2
0
2
+
=
20.
4
3
1
–
=
21.
6
1
7
+
=
22.
11
5
6
–
=
23.
7
5
2
–
=
24.
6
6
12
+
=