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