Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
78 – 70 =
2
8
1
3
|
2.
39 – 13 =
26
3
4
2
|
3.
81 – 10 =
71
3
2
4
|
4.
45 – 13 =
32
2
3
4
|
|
5.
20 + 1 =
21
3
2
4
|
6.
69 + 25 =
3
4
2
94
|
7.
100 – 23 =
77
2
3
4
|
8.
94 + 1 =
3
95
4
2
|
|
9.
43 + 39 =
4
3
82
2
|
10.
29 – 28 =
3
1
4
2
|
11.
30 + 17 =
47
3
2
4
|
12.
48 + 14 =
62
4
2
3
|
|
13.
11 + 84 =
2
95
3
4
|
14.
97 + 0 =
97
3
2
4
|
15.
3 – 1 =
4
3
2
1
|
16.
98 – 55 =
4
3
2
43
|
|
17.
27 + 32 =
4
2
59
3
|
18.
39 + 9 =
4
2
3
48
|
19.
62 – 8 =
2
54
3
4
|
20.
22 + 5 =
4
3
2
27
|