Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
37 – 10 =
4
27
2
3
|
2.
20 + 55 =
4
75
2
3
|
3.
3 – 0 =
1
2
4
3
|
4.
74 – 18 =
56
4
3
2
|
|
5.
22 + 6 =
3
2
4
28
|
6.
40 + 5 =
45
4
2
3
|
7.
17 + 42 =
2
4
3
59
|
8.
86 + 1 =
2
4
87
3
|
|
9.
94 + 4 =
98
4
2
3
|
10.
85 – 84 =
1
2
3
4
|
11.
34 – 28 =
3
2
6
1
|
12.
16 + 64 =
4
2
80
3
|
|
13.
28 – 18 =
2
1
10
3
|
14.
46 + 49 =
2
3
4
95
|
15.
5 – 5 =
0
4
2
3
|
16.
31 + 4 =
4
35
2
3
|
|
17.
9 + 35 =
4
2
44
3
|
18.
57 + 15 =
72
2
4
3
|
19.
57 + 11 =
68
4
3
2
|
20.
37 – 30 =
1
3
2
7
|