Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
48 – 47 =
2
4
1
3
|
2.
34 + 18 =
2
3
4
52
|
3.
36 + 9 =
45
3
2
4
|
4.
85 + 4 =
4
3
2
89
|
|
5.
21 + 32 =
53
3
2
4
|
6.
15 + 26 =
4
3
41
2
|
7.
38 – 34 =
3
1
4
2
|
8.
71 + 10 =
81
3
2
4
|
|
9.
65 – 40 =
3
25
4
2
|
10.
81 – 54 =
3
27
4
2
|
11.
76 + 14 =
3
4
90
2
|
12.
27 – 27 =
0
3
2
4
|
|
13.
100 + 0 =
3
2
100
4
|
14.
11 + 4 =
15
1
2
3
|
15.
83 – 75 =
8
2
1
3
|
16.
89 + 8 =
3
4
2
97
|
|
17.
71 – 11 =
2
4
60
3
|
18.
60 – 53 =
1
7
3
2
|
19.
90 – 6 =
2
3
84
4
|
20.
3 – 2 =
2
3
4
1
|