Snelle erbijsommen en erafsommen tot 20
In de mix
1.
26
19
jimmy
+
=
2.
14
11
jimmy
–
=
3.
8
5
jimmy
+
=
4.
28
9
jimmy
–
=
5.
8
18
jimmy
+
=
6.
6
5
jimmy
–
=
7.
18
9
jimmy
–
=
8.
45
2
jimmy
+
=
9.
12
8
jimmy
+
=
10.
26
3
jimmy
–
=
11.
23
18
jimmy
–
=
12.
23
1
jimmy
–
=
13.
6
1
jimmy
–
=
14.
28
22
jimmy
–
=
15.
36
27
jimmy
–
=
16.
47
3
jimmy
–
=
17.
37
1
jimmy
+
=
18.
49
0
jimmy
+
=
19.
25
6
jimmy
+
=
20.
10
6
jimmy
+
=
21.
22
19
jimmy
+
=
22.
41
2
jimmy
+
=
23.
35
2
jimmy
+
=
24.
37
26
jimmy
–
=
Snelle erbijsommen en erafsommen tot 20
| ANTWOORDEN
In de mix
1.
26
19
45
+
=
2.
14
11
3
–
=
3.
8
5
13
+
=
4.
28
9
19
–
=
5.
8
18
26
+
=
6.
6
5
1
–
=
7.
18
9
9
–
=
8.
45
2
47
+
=
9.
12
8
20
+
=
10.
26
3
23
–
=
11.
23
18
5
–
=
12.
23
1
22
–
=
13.
6
1
5
–
=
14.
28
22
6
–
=
15.
36
27
9
–
=
16.
47
3
44
–
=
17.
37
1
38
+
=
18.
49
0
49
+
=
19.
25
6
31
+
=
20.
10
6
16
+
=
21.
22
19
41
+
=
22.
41
2
43
+
=
23.
35
2
37
+
=
24.
37
26
11
–
=