Oefen de erbijsom en erafsom tot 100

In de mix
1.
51 + 29 =
2
80
2.
39 + 41 =
2
80
3.
25 16 =
9
1
4.
11 4 =
7
1
5.
55 + 10 =
2
65
6.
32 + 37 =
2
69
7.
37 + 39 =
76
2
8.
41 + 29 =
70
2
9.
22 14 =
1
8
10.
56 + 16 =
72
2
11.
99 + 0 =
99
2
12.
72 36 =
36
2
13.
10 + 51 =
2
61
14.
60 18 =
2
42
15.
43 + 24 =
2
67
16.
95 + 0 =
2
95
17.
13 8 =
1
5
18.
41 15 =
26
2
19.
59 + 28 =
87
2
20.
59 30 =
29
2

Oefen de erbijsom en erafsom tot 100
| ANTWOORDEN

In de mix
1.
51 + 29 =
2
80
2.
39 + 41 =
2
80
3.
25 16 =
9
1
4.
11 4 =
7
1
5.
55 + 10 =
2
65
6.
32 + 37 =
2
69
7.
37 + 39 =
76
2
8.
41 + 29 =
70
2
9.
22 14 =
1
8
10.
56 + 16 =
72
2
11.
99 + 0 =
99
2
12.
72 36 =
36
2
13.
10 + 51 =
2
61
14.
60 18 =
2
42
15.
43 + 24 =
2
67
16.
95 + 0 =
2
95
17.
13 8 =
1
5
18.
41 15 =
26
2
19.
59 + 28 =
87
2
20.
59 30 =
29
2