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