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