Oefen de erbijsommen tot 100

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

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