Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
831 – 545 =
4
2
286
3
|
2.
696 – 490 =
206
4
2
3
|
3.
810 + 83 =
4
2
3
893
|
4.
10 – 0 =
10
1
2
3
|
|
5.
172 – 25 =
147
2
3
4
|
6.
70 – 41 =
4
29
3
2
|
7.
358 + 459 =
3
2
4
817
|
8.
298 + 198 =
4
2
3
496
|
|
9.
57 – 16 =
2
4
3
41
|
10.
379 – 337 =
42
3
4
2
|
11.
905 + 77 =
982
4
3
2
|
12.
974 – 451 =
3
523
2
4
|
|
13.
196 – 177 =
19
4
3
2
|
14.
858 – 395 =
4
3
463
2
|
15.
569 – 154 =
4
415
2
3
|
16.
92 + 336 =
3
2
4
428
|
|
17.
275 + 373 =
3
2
648
4
|
18.
956 + 17 =
2
973
4
3
|
19.
390 + 357 =
3
2
747
4
|
20.
664 + 229 =
2
893
4
3
|