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