Erafsommen tot 20 maken

Erafsommen
1.
4
–
3
=
2.
5
–
5
=
3.
20
–
14
=
4.
8
–
0
=
5.
18
–
10
=
6.
16
–
1
=
7.
7
–
5
=
8.
5
–
0
=
9.
15
–
1
=
10.
19
–
1
=
11.
12
–
12
=
12.
20
–
18
=
13.
15
–
6
=
14.
14
–
6
=
15.
19
–
11
=
16.
2
–
0
=
17.
3
–
3
=
18.
13
–
13
=
19.
3
–
3
=
20.
1
–
0
=
21.
19
–
13
=
22.
5
–
2
=
23.
5
–
0
=
24.
9
–
7
=
25.
13
–
6
=
26.
14
–
8
=
27.
5
–
5
=
28.
15
–
8
=
29.
2
–
1
=
30.
13
–
13
=
31.
4
–
4
=
32.
7
–
7
=
33.
8
–
5
=
34.
5
–
2
=
35.
15
–
2
=
36.
14
–
5
=
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Erafsommen tot 20 maken
| ANTWOORDEN

Erafsommen
1.
4
–
3
=
1
2.
5
–
5
=
0
3.
20
–
14
=
6
4.
8
–
0
=
8
5.
18
–
10
=
8
6.
16
–
1
=
15
7.
7
–
5
=
2
8.
5
–
0
=
5
9.
15
–
1
=
14
10.
19
–
1
=
18
11.
12
–
12
=
0
12.
20
–
18
=
2
13.
15
–
6
=
9
14.
14
–
6
=
8
15.
19
–
11
=
8
16.
2
–
0
=
2
17.
3
–
3
=
0
18.
13
–
13
=
0
19.
3
–
3
=
0
20.
1
–
0
=
1
21.
19
–
13
=
6
22.
5
–
2
=
3
23.
5
–
0
=
5
24.
9
–
7
=
2
25.
13
–
6
=
7
26.
14
–
8
=
6
27.
5
–
5
=
0
28.
15
–
8
=
7
29.
2
–
1
=
1
30.
13
–
13
=
0
31.
4
–
4
=
0
32.
7
–
7
=
0
33.
8
–
5
=
3
34.
5
–
2
=
3
35.
15
–
2
=
13
36.
14
–
5
=
9
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen