Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
82 + 6 =
88
4
2
3
|
2.
53 – 49 =
3
2
4
1
|
3.
75 – 60 =
3
1
15
2
|
4.
62 – 46 =
3
2
4
16
|
|
5.
1 + 36 =
4
3
37
2
|
6.
1 + 74 =
75
3
2
4
|
7.
57 – 20 =
2
4
37
3
|
8.
73 – 44 =
3
2
4
29
|
|
9.
60 + 27 =
4
87
3
2
|
10.
77 – 17 =
2
60
3
4
|
11.
32 + 30 =
2
3
62
4
|
12.
28 – 22 =
1
3
6
2
|
|
13.
15 + 79 =
4
2
3
94
|
14.
65 + 12 =
4
77
2
3
|
15.
23 + 50 =
3
73
4
2
|
16.
12 – 9 =
4
2
3
1
|
|
17.
31 + 34 =
3
65
4
2
|
18.
74 + 24 =
4
98
3
2
|
19.
66 + 28 =
94
2
4
3
|
20.
22 – 21 =
1
2
4
3
|