Oefen de erbijsommen tot 100

Erbijsommen
1.
0
+
60
=
2.
5
+
20
=
3.
15
+
80
=
4.
40
+
40
=
5.
10
+
85
=
6.
20
+
55
=
7.
5
+
60
=
8.
20
+
70
=
9.
10
+
85
=
10.
0
+
85
=
11.
0
+
100
=
12.
5
+
85
=
13.
0
+
95
=
14.
40
+
55
=
15.
5
+
80
=
16.
5
+
15
=
17.
0
+
100
=
18.
45
+
45
=
19.
0
+
40
=
20.
15
+
60
=
21.
20
+
55
=
22.
25
+
70
=
23.
10
+
75
=
24.
10
+
90
=
25.
20
+
80
=
26.
5
+
95
=
27.
25
+
55
=
28.
5
+
95
=
29.
5
+
95
=
30.
10
+
45
=
31.
5
+
95
=
32.
35
+
55
=
33.
5
+
95
=
34.
20
+
75
=
35.
35
+
55
=
36.
15
+
45
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
0
+
60
=
60
2.
5
+
20
=
25
3.
15
+
80
=
95
4.
40
+
40
=
80
5.
10
+
85
=
95
6.
20
+
55
=
75
7.
5
+
60
=
65
8.
20
+
70
=
90
9.
10
+
85
=
95
10.
0
+
85
=
85
11.
0
+
100
=
100
12.
5
+
85
=
90
13.
0
+
95
=
95
14.
40
+
55
=
95
15.
5
+
80
=
85
16.
5
+
15
=
20
17.
0
+
100
=
100
18.
45
+
45
=
90
19.
0
+
40
=
40
20.
15
+
60
=
75
21.
20
+
55
=
75
22.
25
+
70
=
95
23.
10
+
75
=
85
24.
10
+
90
=
100
25.
20
+
80
=
100
26.
5
+
95
=
100
27.
25
+
55
=
80
28.
5
+
95
=
100
29.
5
+
95
=
100
30.
10
+
45
=
55
31.
5
+
95
=
100
32.
35
+
55
=
90
33.
5
+
95
=
100
34.
20
+
75
=
95
35.
35
+
55
=
90
36.
15
+
45
=
60
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen