Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
30 + 4 =
2
34
|
2.
74 – 6 =
68
2
|
3.
62 – 53 =
1
9
|
4.
43 – 10 =
2
33
|
|
5.
23 – 7 =
2
16
|
6.
35 + 40 =
2
75
|
7.
37 + 62 =
99
2
|
8.
61 + 31 =
92
2
|
|
9.
18 + 49 =
67
2
|
10.
38 – 12 =
2
26
|
11.
57 – 14 =
43
2
|
12.
58 + 30 =
2
88
|
|
13.
1 + 11 =
12
1
|
14.
1 + 43 =
2
44
|
15.
5 + 30 =
35
2
|
16.
63 – 1 =
62
2
|
|
17.
63 – 62 =
1
2
|
18.
75 + 11 =
2
86
|
19.
11 – 2 =
1
9
|
20.
26 – 22 =
4
1
|