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