Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
64 – 64 =
0
2
3
4
|
2.
55 – 44 =
1
11
3
2
|
3.
99 – 64 =
35
4
2
3
|
4.
63 – 50 =
3
2
1
13
|
|
5.
31 + 35 =
3
4
66
2
|
6.
53 + 21 =
2
4
74
3
|
7.
91 + 1 =
92
2
3
4
|
8.
52 – 10 =
2
4
42
3
|
|
9.
85 + 12 =
2
97
3
4
|
10.
15 – 13 =
3
2
1
4
|
11.
6 – 2 =
3
4
1
2
|
12.
89 – 34 =
2
55
4
3
|
|
13.
53 – 3 =
4
3
50
2
|
14.
30 – 7 =
23
3
2
4
|
15.
34 + 13 =
47
4
2
3
|
16.
78 + 17 =
3
95
4
2
|
|
17.
82 – 20 =
2
62
3
4
|
18.
58 + 0 =
3
58
2
4
|
19.
83 + 3 =
2
4
86
3
|
20.
4 – 2 =
4
2
3
1
|