Oefen de erbijsom en erafsom tot 50

In de mix
1.
30 11 =
19
2
2.
32 + 11 =
2
43
3.
32 + 4 =
36
2
4.
44 + 6 =
50
2
5.
29 4 =
2
25
6.
3 + 39 =
42
2
7.
45 36 =
9
1
8.
12 + 37 =
49
2
9.
20 3 =
17
2
10.
9 + 19 =
28
2
11.
14 2 =
12
1
12.
27 2 =
2
25
13.
5 + 12 =
17
2
14.
14 3 =
1
11
15.
44 + 1 =
45
2
16.
33 + 7 =
40
2
17.
46 31 =
15
1
18.
19 + 7 =
26
2
19.
18 + 13 =
31
2
20.
15 1 =
14
1

Oefen de erbijsom en erafsom tot 50
| ANTWOORDEN

In de mix
1.
30 11 =
19
2
2.
32 + 11 =
2
43
3.
32 + 4 =
36
2
4.
44 + 6 =
50
2
5.
29 4 =
2
25
6.
3 + 39 =
42
2
7.
45 36 =
9
1
8.
12 + 37 =
49
2
9.
20 3 =
17
2
10.
9 + 19 =
28
2
11.
14 2 =
12
1
12.
27 2 =
2
25
13.
5 + 12 =
17
2
14.
14 3 =
1
11
15.
44 + 1 =
45
2
16.
33 + 7 =
40
2
17.
46 31 =
15
1
18.
19 + 7 =
26
2
19.
18 + 13 =
31
2
20.
15 1 =
14
1