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