Supersnelle erbijsommen en erafsommen tot 100
In de mix
|
1.
8 – 8 =
0
4
3
2
|
2.
91 – 64 =
2
27
3
4
|
3.
1 + 34 =
3
2
4
35
|
4.
91 + 8 =
99
4
2
3
|
|
5.
92 + 8 =
100
4
2
3
|
6.
16 + 75 =
91
3
2
4
|
7.
99 + 1 =
4
3
100
2
|
8.
79 – 56 =
4
2
23
3
|
|
9.
44 + 53 =
3
2
97
4
|
10.
65 – 59 =
1
3
6
2
|
11.
78 + 7 =
4
85
3
2
|
12.
21 + 30 =
2
51
4
3
|
|
13.
37 + 29 =
66
4
3
2
|
14.
54 – 45 =
1
2
9
3
|
15.
70 + 21 =
91
4
2
3
|
16.
65 – 65 =
4
0
3
2
|
|
17.
99 – 65 =
2
4
3
34
|
18.
46 + 36 =
3
2
4
82
|
19.
72 – 13 =
59
2
4
3
|
20.
27 – 24 =
1
4
2
3
|