Oefen de erbijsom en erafsom tot 100

In de mix
1.
53 27 =
26
2
2.
97 + 1 =
98
2
3.
14 + 52 =
66
2
4.
29 + 51 =
2
80
5.
19 + 12 =
31
2
6.
4 + 10 =
1
14
7.
65 45 =
2
20
8.
41 11 =
2
30
9.
64 2 =
62
2
10.
63 + 28 =
91
2
11.
48 + 15 =
63
2
12.
29 + 53 =
2
82
13.
16 + 33 =
2
49
14.
1 0 =
2
1
15.
20 + 63 =
2
83
16.
69 + 15 =
2
84
17.
97 + 2 =
99
2
18.
6 4 =
1
2
19.
65 + 12 =
2
77
20.
94 67 =
2
27

Oefen de erbijsom en erafsom tot 100
| ANTWOORDEN

In de mix
1.
53 27 =
26
2
2.
97 + 1 =
98
2
3.
14 + 52 =
66
2
4.
29 + 51 =
2
80
5.
19 + 12 =
31
2
6.
4 + 10 =
1
14
7.
65 45 =
2
20
8.
41 11 =
2
30
9.
64 2 =
62
2
10.
63 + 28 =
91
2
11.
48 + 15 =
63
2
12.
29 + 53 =
2
82
13.
16 + 33 =
2
49
14.
1 0 =
2
1
15.
20 + 63 =
2
83
16.
69 + 15 =
2
84
17.
97 + 2 =
99
2
18.
6 4 =
1
2
19.
65 + 12 =
2
77
20.
94 67 =
2
27