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