Oefen de erbijsommen tot 100

Erbijsommen
1.
40
+
45
=
2.
35
+
50
=
3.
15
+
60
=
4.
25
+
65
=
5.
0
+
100
=
6.
15
+
80
=
7.
0
+
75
=
8.
15
+
45
=
9.
0
+
100
=
10.
0
+
65
=
11.
30
+
65
=
12.
40
+
45
=
13.
15
+
20
=
14.
10
+
30
=
15.
0
+
100
=
16.
30
+
70
=
17.
5
+
80
=
18.
20
+
25
=
19.
15
+
45
=
20.
40
+
50
=
21.
45
+
55
=
22.
15
+
80
=
23.
5
+
15
=
24.
5
+
90
=
25.
20
+
20
=
26.
30
+
65
=
27.
20
+
75
=
28.
35
+
50
=
29.
15
+
75
=
30.
35
+
55
=
31.
15
+
35
=
32.
5
+
70
=
33.
0
+
95
=
34.
5
+
95
=
35.
20
+
80
=
36.
10
+
75
=
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Oefen de erbijsommen tot 100
| ANTWOORDEN

Erbijsommen
1.
40
+
45
=
85
2.
35
+
50
=
85
3.
15
+
60
=
75
4.
25
+
65
=
90
5.
0
+
100
=
100
6.
15
+
80
=
95
7.
0
+
75
=
75
8.
15
+
45
=
60
9.
0
+
100
=
100
10.
0
+
65
=
65
11.
30
+
65
=
95
12.
40
+
45
=
85
13.
15
+
20
=
35
14.
10
+
30
=
40
15.
0
+
100
=
100
16.
30
+
70
=
100
17.
5
+
80
=
85
18.
20
+
25
=
45
19.
15
+
45
=
60
20.
40
+
50
=
90
21.
45
+
55
=
100
22.
15
+
80
=
95
23.
5
+
15
=
20
24.
5
+
90
=
95
25.
20
+
20
=
40
26.
30
+
65
=
95
27.
20
+
75
=
95
28.
35
+
50
=
85
29.
15
+
75
=
90
30.
35
+
55
=
90
31.
15
+
35
=
50
32.
5
+
70
=
75
33.
0
+
95
=
95
34.
5
+
95
=
100
35.
20
+
80
=
100
36.
10
+
75
=
85
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen