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