Oefen de erbijsommen tot 100

Erbijsommen
1.
20
+
70
=
2.
0
+
95
=
3.
10
+
60
=
4.
0
+
40
=
5.
5
+
60
=
6.
30
+
70
=
7.
35
+
50
=
8.
20
+
25
=
9.
5
+
90
=
10.
0
+
100
=
11.
25
+
35
=
12.
0
+
100
=
13.
5
+
60
=
14.
25
+
70
=
15.
40
+
55
=
16.
20
+
30
=
17.
0
+
95
=
18.
5
+
40
=
19.
10
+
35
=
20.
0
+
70
=
21.
15
+
70
=
22.
40
+
60
=
23.
20
+
30
=
24.
5
+
95
=
25.
5
+
45
=
26.
35
+
60
=
27.
10
+
85
=
28.
5
+
65
=
29.
40
+
45
=
30.
35
+
55
=
31.
5
+
95
=
32.
20
+
55
=
33.
0
+
100
=
34.
15
+
30
=
35.
30
+
60
=
36.
25
+
70
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
20
+
70
=
90
2.
0
+
95
=
95
3.
10
+
60
=
70
4.
0
+
40
=
40
5.
5
+
60
=
65
6.
30
+
70
=
100
7.
35
+
50
=
85
8.
20
+
25
=
45
9.
5
+
90
=
95
10.
0
+
100
=
100
11.
25
+
35
=
60
12.
0
+
100
=
100
13.
5
+
60
=
65
14.
25
+
70
=
95
15.
40
+
55
=
95
16.
20
+
30
=
50
17.
0
+
95
=
95
18.
5
+
40
=
45
19.
10
+
35
=
45
20.
0
+
70
=
70
21.
15
+
70
=
85
22.
40
+
60
=
100
23.
20
+
30
=
50
24.
5
+
95
=
100
25.
5
+
45
=
50
26.
35
+
60
=
95
27.
10
+
85
=
95
28.
5
+
65
=
70
29.
40
+
45
=
85
30.
35
+
55
=
90
31.
5
+
95
=
100
32.
20
+
55
=
75
33.
0
+
100
=
100
34.
15
+
30
=
45
35.
30
+
60
=
90
36.
25
+
70
=
95
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen