Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
17 + 64 =
2
4
81
3
|
2.
78 + 2 =
3
80
4
2
|
3.
94 + 1 =
4
2
3
95
|
4.
29 + 54 =
3
2
83
4
|
|
5.
89 + 2 =
3
91
4
2
|
6.
89 – 32 =
4
2
3
57
|
7.
79 + 10 =
2
89
4
3
|
8.
6 + 35 =
3
41
2
4
|
|
9.
68 + 22 =
2
4
3
90
|
10.
28 + 66 =
3
2
4
94
|
11.
25 – 17 =
1
8
2
3
|
12.
36 – 34 =
2
3
1
4
|
|
13.
45 – 35 =
10
2
1
3
|
14.
92 – 59 =
2
3
33
4
|
15.
55 – 0 =
4
3
55
2
|
16.
57 – 31 =
4
3
26
2
|
|
17.
88 + 0 =
4
2
3
88
|
18.
26 + 61 =
87
4
2
3
|
19.
66 + 31 =
3
2
4
97
|
20.
65 + 7 =
4
2
3
72
|