Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
8 – 2 =
6
3
2
1
|
2.
78 + 11 =
4
89
3
2
|
3.
45 + 42 =
3
2
4
87
|
4.
22 + 55 =
2
77
3
4
|
|
5.
22 – 1 =
3
4
2
21
|
6.
1 + 95 =
2
3
96
4
|
7.
20 – 5 =
3
1
2
15
|
8.
100 + 0 =
4
2
3
100
|
|
9.
37 + 17 =
54
4
2
3
|
10.
9 – 4 =
5
2
1
3
|
11.
37 + 38 =
3
4
2
75
|
12.
71 – 19 =
52
3
2
4
|
|
13.
97 – 21 =
76
4
3
2
|
14.
64 + 18 =
3
82
2
4
|
15.
16 + 76 =
4
2
3
92
|
16.
77 – 68 =
2
3
9
1
|
|
17.
24 + 30 =
54
3
2
4
|
18.
82 – 35 =
47
3
4
2
|
19.
8 + 71 =
3
79
2
4
|
20.
84 – 8 =
3
4
76
2
|