Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
831 – 279 =
2
3
552
4
|
2.
421 – 194 =
227
3
2
4
|
3.
294 – 262 =
4
2
32
3
|
4.
378 – 180 =
3
198
2
4
|
|
5.
501 – 181 =
3
4
2
320
|
6.
92 – 21 =
4
71
3
2
|
7.
777 – 417 =
2
4
360
3
|
8.
276 – 135 =
4
3
141
2
|
|
9.
455 – 172 =
2
283
4
3
|
10.
247 + 726 =
2
4
973
3
|
11.
468 – 419 =
4
49
3
2
|
12.
612 – 275 =
337
4
3
2
|
|
13.
378 – 55 =
4
323
2
3
|
14.
314 – 13 =
301
3
2
4
|
15.
445 + 403 =
2
848
4
3
|
16.
47 – 18 =
4
29
2
3
|
|
17.
964 + 21 =
2
3
4
985
|
18.
276 – 69 =
3
207
2
4
|
19.
721 – 580 =
141
3
2
4
|
20.
341 – 64 =
277
4
3
2
|