Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
64 + 10 =
74
2
|
2.
25 + 62 =
2
87
|
3.
10 + 60 =
70
2
|
4.
21 + 61 =
2
82
|
|
5.
32 – 8 =
24
2
|
6.
82 + 3 =
2
85
|
7.
85 – 70 =
15
1
|
8.
89 + 10 =
2
99
|
|
9.
94 + 5 =
2
99
|
10.
5 – 1 =
1
4
|
11.
99 + 1 =
100
2
|
12.
24 – 19 =
1
5
|
|
13.
72 – 68 =
1
4
|
14.
25 + 9 =
34
2
|
15.
47 + 41 =
88
2
|
16.
2 – 1 =
2
1
|
|
17.
2 + 77 =
2
79
|
18.
9 – 3 =
1
6
|
19.
35 – 3 =
32
2
|
20.
55 – 35 =
2
20
|