Oefen de erbijsommen tot 100

Erbijsommen
1.
20
+
60
=
2.
25
+
40
=
3.
0
+
80
=
4.
5
+
90
=
5.
5
+
30
=
6.
10
+
25
=
7.
25
+
55
=
8.
5
+
95
=
9.
20
+
80
=
10.
30
+
70
=
11.
5
+
45
=
12.
10
+
85
=
13.
10
+
90
=
14.
15
+
55
=
15.
20
+
60
=
16.
10
+
90
=
17.
5
+
85
=
18.
15
+
65
=
19.
0
+
100
=
20.
20
+
45
=
21.
25
+
60
=
22.
10
+
70
=
23.
30
+
55
=
24.
0
+
40
=
25.
15
+
65
=
26.
35
+
65
=
27.
5
+
85
=
28.
35
+
65
=
29.
5
+
55
=
30.
5
+
90
=
31.
5
+
80
=
32.
40
+
55
=
33.
0
+
95
=
34.
50
+
50
=
35.
0
+
50
=
36.
20
+
60
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
20
+
60
=
80
2.
25
+
40
=
65
3.
0
+
80
=
80
4.
5
+
90
=
95
5.
5
+
30
=
35
6.
10
+
25
=
35
7.
25
+
55
=
80
8.
5
+
95
=
100
9.
20
+
80
=
100
10.
30
+
70
=
100
11.
5
+
45
=
50
12.
10
+
85
=
95
13.
10
+
90
=
100
14.
15
+
55
=
70
15.
20
+
60
=
80
16.
10
+
90
=
100
17.
5
+
85
=
90
18.
15
+
65
=
80
19.
0
+
100
=
100
20.
20
+
45
=
65
21.
25
+
60
=
85
22.
10
+
70
=
80
23.
30
+
55
=
85
24.
0
+
40
=
40
25.
15
+
65
=
80
26.
35
+
65
=
100
27.
5
+
85
=
90
28.
35
+
65
=
100
29.
5
+
55
=
60
30.
5
+
90
=
95
31.
5
+
80
=
85
32.
40
+
55
=
95
33.
0
+
95
=
95
34.
50
+
50
=
100
35.
0
+
50
=
50
36.
20
+
60
=
80
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen