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