Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
51 – 10 =
4
41
3
2
|
2.
30 + 38 =
3
4
2
68
|
3.
17 + 34 =
3
51
2
4
|
4.
7 – 2 =
3
1
2
5
|
|
5.
10 + 68 =
2
3
4
78
|
6.
3 + 42 =
4
45
2
3
|
7.
23 + 7 =
30
4
2
3
|
8.
61 + 36 =
4
3
2
97
|
|
9.
96 – 69 =
4
3
2
27
|
10.
100 – 10 =
90
2
4
3
|
11.
17 – 8 =
9
1
3
2
|
12.
82 + 5 =
4
3
2
87
|
|
13.
91 + 2 =
2
3
93
4
|
14.
89 + 7 =
4
3
96
2
|
15.
19 – 17 =
4
3
2
1
|
16.
52 – 26 =
2
4
26
3
|
|
17.
78 + 10 =
2
4
3
88
|
18.
36 + 33 =
69
2
3
4
|
19.
20 + 25 =
4
45
3
2
|
20.
89 + 2 =
2
3
91
4
|