Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
81 – 80 =
1
3
2
4
|
2.
39 + 18 =
2
3
4
57
|
3.
34 + 10 =
44
2
4
3
|
4.
35 + 38 =
73
4
3
2
|
|
5.
78 + 19 =
2
4
3
97
|
6.
92 – 2 =
4
2
3
90
|
7.
52 – 25 =
3
2
4
27
|
8.
97 – 55 =
4
42
3
2
|
|
9.
84 + 12 =
2
3
4
96
|
10.
95 + 1 =
4
3
96
2
|
11.
4 – 2 =
3
2
4
1
|
12.
83 – 7 =
4
3
76
2
|
|
13.
93 + 0 =
4
93
2
3
|
14.
41 + 44 =
2
4
85
3
|
15.
42 – 23 =
2
19
4
3
|
16.
72 – 47 =
4
2
3
25
|
|
17.
90 – 56 =
34
2
4
3
|
18.
53 – 44 =
9
2
3
1
|
19.
5 – 4 =
4
1
3
2
|
20.
71 + 6 =
3
77
2
4
|