Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
10 – 10 =
2
0
3
4
|
2.
79 – 64 =
3
1
2
15
|
3.
77 – 41 =
36
4
2
3
|
4.
7 + 35 =
42
3
2
4
|
|
5.
26 + 56 =
3
2
4
82
|
6.
66 – 41 =
4
3
25
2
|
7.
85 – 30 =
55
2
3
4
|
8.
29 + 5 =
2
4
34
3
|
|
9.
74 – 39 =
3
35
4
2
|
10.
12 + 65 =
2
4
77
3
|
11.
19 – 4 =
15
2
1
3
|
12.
70 – 67 =
2
1
4
3
|
|
13.
76 – 26 =
2
50
3
4
|
14.
57 – 43 =
14
3
1
2
|
15.
60 + 40 =
2
100
4
3
|
16.
11 + 59 =
70
4
2
3
|
|
17.
17 – 9 =
8
1
3
2
|
18.
39 + 21 =
3
4
2
60
|
19.
42 – 14 =
2
3
4
28
|
20.
11 – 2 =
1
2
9
3
|