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