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