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