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