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