Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
538 – 380 =
4
158
3
2
|
2.
41 – 20 =
3
2
21
4
|
3.
598 – 495 =
4
2
103
3
|
4.
69 + 710 =
779
2
4
3
|
|
5.
14 – 5 =
2
3
9
1
|
6.
63 – 60 =
3
1
4
2
|
7.
25 – 21 =
4
2
3
1
|
8.
539 – 463 =
2
76
4
3
|
|
9.
937 – 565 =
372
4
2
3
|
10.
221 – 179 =
4
2
42
3
|
11.
809 – 372 =
437
4
2
3
|
12.
419 + 127 =
2
3
546
4
|
|
13.
7 + 487 =
494
3
2
4
|
14.
82 – 70 =
3
12
2
1
|
15.
968 – 955 =
13
2
1
3
|
16.
816 + 166 =
2
4
3
982
|
|
17.
126 + 504 =
2
630
4
3
|
18.
213 – 168 =
45
3
2
4
|
19.
388 – 321 =
4
2
3
67
|
20.
789 – 751 =
4
2
3
38
|