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