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