Oefen de erbijsommen tot 100
Erbijsommen
1.
15
+
85
=
2.
10
+
40
=
3.
0
+
95
=
4.
30
+
35
=
5.
0
+
45
=
6.
10
+
45
=
7.
15
+
20
=
8.
0
+
100
=
9.
45
+
45
=
10.
20
+
80
=
11.
20
+
45
=
12.
25
+
75
=
13.
25
+
30
=
14.
20
+
25
=
15.
25
+
35
=
16.
10
+
70
=
17.
35
+
60
=
18.
15
+
45
=
19.
0
+
100
=
20.
5
+
95
=
21.
45
+
45
=
22.
0
+
80
=
23.
10
+
15
=
24.
10
+
20
=
25.
30
+
50
=
26.
5
+
85
=
27.
10
+
65
=
28.
0
+
90
=
29.
10
+
80
=
30.
35
+
40
=
31.
0
+
65
=
32.
35
+
45
=
33.
10
+
20
=
34.
5
+
55
=
35.
35
+
50
=
36.
0
+
100
=
Oefen de erbijsommen tot 100
| ANTWOORDEN
Erbijsommen
1.
15
+
85
=
100
2.
10
+
40
=
50
3.
0
+
95
=
95
4.
30
+
35
=
65
5.
0
+
45
=
45
6.
10
+
45
=
55
7.
15
+
20
=
35
8.
0
+
100
=
100
9.
45
+
45
=
90
10.
20
+
80
=
100
11.
20
+
45
=
65
12.
25
+
75
=
100
13.
25
+
30
=
55
14.
20
+
25
=
45
15.
25
+
35
=
60
16.
10
+
70
=
80
17.
35
+
60
=
95
18.
15
+
45
=
60
19.
0
+
100
=
100
20.
5
+
95
=
100
21.
45
+
45
=
90
22.
0
+
80
=
80
23.
10
+
15
=
25
24.
10
+
20
=
30
25.
30
+
50
=
80
26.
5
+
85
=
90
27.
10
+
65
=
75
28.
0
+
90
=
90
29.
10
+
80
=
90
30.
35
+
40
=
75
31.
0
+
65
=
65
32.
35
+
45
=
80
33.
10
+
20
=
30
34.
5
+
55
=
60
35.
35
+
50
=
85
36.
0
+
100
=
100