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