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