Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
71 – 14 =
2
57
|
2.
37 + 52 =
2
89
|
3.
41 + 36 =
77
2
|
4.
10 + 83 =
93
2
|
|
5.
10 + 65 =
2
75
|
6.
19 – 0 =
2
19
|
7.
97 – 88 =
1
9
|
8.
27 – 18 =
1
9
|
|
9.
6 + 6 =
12
1
|
10.
20 – 14 =
6
1
|
11.
63 – 24 =
39
2
|
12.
94 + 3 =
97
2
|
|
13.
64 – 45 =
2
19
|
14.
30 – 21 =
1
9
|
15.
97 – 37 =
60
2
|
16.
40 + 7 =
2
47
|
|
17.
62 – 2 =
2
60
|
18.
37 + 32 =
2
69
|
19.
25 – 16 =
9
1
|
20.
47 – 7 =
2
40
|