Snelle erbijsommen en erafsommen tot 20
In de mix
1.
11
1
jimmy
+
=
2.
13
12
jimmy
–
=
3.
14
12
jimmy
–
=
4.
16
12
jimmy
–
=
5.
18
1
jimmy
+
=
6.
12
2
jimmy
+
=
7.
12
2
jimmy
+
=
8.
15
13
jimmy
–
=
9.
17
13
jimmy
–
=
10.
12
7
jimmy
+
=
11.
19
16
jimmy
–
=
12.
17
12
jimmy
–
=
13.
12
3
jimmy
+
=
14.
18
2
jimmy
+
=
15.
13
3
jimmy
+
=
16.
19
17
jimmy
–
=
17.
18
2
jimmy
+
=
18.
14
12
jimmy
–
=
19.
15
12
jimmy
–
=
20.
13
12
jimmy
–
=
21.
12
0
jimmy
+
=
22.
18
1
jimmy
+
=
23.
18
15
jimmy
–
=
24.
17
14
jimmy
–
=
Snelle erbijsommen en erafsommen tot 20
| ANTWOORDEN
In de mix
1.
11
1
12
+
=
2.
13
12
1
–
=
3.
14
12
2
–
=
4.
16
12
4
–
=
5.
18
1
19
+
=
6.
12
2
14
+
=
7.
12
2
14
+
=
8.
15
13
2
–
=
9.
17
13
4
–
=
10.
12
7
19
+
=
11.
19
16
3
–
=
12.
17
12
5
–
=
13.
12
3
15
+
=
14.
18
2
20
+
=
15.
13
3
16
+
=
16.
19
17
2
–
=
17.
18
2
20
+
=
18.
14
12
2
–
=
19.
15
12
3
–
=
20.
13
12
1
–
=
21.
12
0
12
+
=
22.
18
1
19
+
=
23.
18
15
3
–
=
24.
17
14
3
–
=