Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
49 + 29 =
4
3
2
78
|
2.
25 – 11 =
2
1
3
14
|
3.
17 + 55 =
3
4
2
72
|
4.
83 – 2 =
2
81
3
4
|
|
5.
52 + 44 =
96
2
4
3
|
6.
87 – 3 =
2
4
3
84
|
7.
76 – 1 =
4
75
2
3
|
8.
85 + 8 =
93
2
4
3
|
|
9.
100 + 0 =
3
100
2
4
|
10.
54 – 29 =
25
4
2
3
|
11.
25 – 20 =
1
5
2
3
|
12.
21 – 17 =
3
1
2
4
|
|
13.
16 + 22 =
3
4
38
2
|
14.
3 – 3 =
2
3
0
4
|
15.
17 – 8 =
9
2
1
3
|
16.
10 + 27 =
4
2
3
37
|
|
17.
49 + 1 =
4
3
50
2
|
18.
65 – 7 =
3
2
4
58
|
19.
81 – 62 =
19
2
4
3
|
20.
58 + 31 =
3
2
89
4
|