Oefen de erbijsommen tot 100

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

Oefen de erbijsommen tot 100
| ANTWOORDEN

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