Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
54 + 25 =
79
2
|
2.
6 – 1 =
5
1
|
3.
30 – 6 =
2
24
|
4.
7 + 53 =
60
2
|
|
5.
82 + 17 =
99
2
|
6.
22 + 29 =
51
2
|
7.
31 + 13 =
2
44
|
8.
28 + 14 =
2
42
|
|
9.
31 – 1 =
2
30
|
10.
7 – 7 =
2
0
|
11.
45 + 7 =
2
52
|
12.
7 + 5 =
1
12
|
|
13.
39 + 17 =
2
56
|
14.
89 + 1 =
90
2
|
15.
53 + 41 =
2
94
|
16.
2 + 81 =
2
83
|
|
17.
89 – 14 =
75
2
|
18.
55 – 13 =
2
42
|
19.
87 + 5 =
2
92
|
20.
41 + 23 =
64
2
|