Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
757 – 471 =
3
286
2
4
|
2.
144 – 116 =
28
4
3
2
|
3.
559 + 92 =
651
3
4
2
|
4.
104 + 627 =
731
4
3
2
|
|
5.
984 + 10 =
2
994
3
4
|
6.
44 + 319 =
363
4
2
3
|
7.
966 + 21 =
987
4
3
2
|
8.
903 – 828 =
3
4
75
2
|
|
9.
467 + 478 =
2
3
4
945
|
10.
496 + 284 =
780
2
3
4
|
11.
808 – 388 =
420
3
4
2
|
12.
444 + 446 =
3
2
890
4
|
|
13.
488 + 269 =
2
757
4
3
|
14.
1000 + 0 =
1000
3
4
2
|
15.
574 – 329 =
2
4
3
245
|
16.
104 + 280 =
3
4
2
384
|
|
17.
814 + 7 =
821
3
4
2
|
18.
534 – 26 =
3
2
508
4
|
19.
374 – 46 =
3
328
2
4
|
20.
609 + 27 =
3
4
2
636
|