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