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