Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
699 + 85 =
4
2
784
3
|
2.
646 – 633 =
3
13
1
2
|
3.
424 – 399 =
25
3
2
4
|
4.
403 + 324 =
4
2
3
727
|
|
5.
160 – 80 =
4
2
3
80
|
6.
157 + 813 =
2
4
970
3
|
7.
745 + 159 =
2
3
904
4
|
8.
742 – 360 =
382
2
4
3
|
|
9.
901 – 355 =
2
3
4
546
|
10.
361 + 402 =
4
3
763
2
|
11.
269 + 285 =
3
2
554
4
|
12.
576 + 318 =
894
3
2
4
|
|
13.
823 + 77 =
4
2
3
900
|
14.
56 + 828 =
3
2
884
4
|
15.
389 – 4 =
385
3
2
4
|
16.
914 – 439 =
4
2
475
3
|
|
17.
391 + 267 =
2
658
3
4
|
18.
489 + 13 =
4
2
3
502
|
19.
950 – 672 =
4
278
2
3
|
20.
293 + 615 =
2
4
3
908
|