Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
54 – 47 =
7
1
2
3
|
2.
47 + 20 =
2
67
4
3
|
3.
35 – 14 =
21
2
3
4
|
4.
63 + 1 =
3
4
2
64
|
|
5.
25 + 51 =
76
2
3
4
|
6.
95 – 80 =
3
15
1
2
|
7.
79 + 14 =
4
2
93
3
|
8.
79 + 4 =
83
2
3
4
|
|
9.
84 + 9 =
93
3
4
2
|
10.
14 – 6 =
1
2
3
8
|
11.
13 – 12 =
1
4
2
3
|
12.
91 – 38 =
53
4
2
3
|
|
13.
26 + 15 =
2
4
3
41
|
14.
81 + 4 =
4
3
2
85
|
15.
10 – 4 =
1
2
3
6
|
16.
52 – 51 =
3
4
2
1
|
|
17.
14 – 10 =
2
1
4
3
|
18.
54 + 41 =
2
4
95
3
|
19.
60 – 17 =
2
4
3
43
|
20.
28 – 13 =
2
1
15
3
|