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