Erbijsommen t/m 1.000
Optellen
| 1. | 422 + 109 = |
583
|
527
|
894
|
531
|
| 2. | 491 + 157 = |
557
|
680
|
795
|
648
|
| 3. | 156 + 115 = |
374
|
349
|
278
|
271
|
| 4. | 278 + 206 = |
386
|
429
|
371
|
484
|
| 5. | 380 + 355 = |
979
|
874
|
830
|
735
|
| 6. | 493 + 273 = |
944
|
593
|
766
|
967
|
| 7. | 155 + 119 = |
438
|
232
|
246
|
274
|
| 8. | 294 + 272 = |
686
|
549
|
986
|
566
|
| 9. | 396 + 132 = |
684
|
654
|
528
|
755
|
| 10. | 243 + 141 = |
378
|
384
|
297
|
342
|
| 11. | 205 + 154 = |
477
|
492
|
200
|
359
|
| 12. | 353 + 262 = |
867
|
615
|
675
|
522
|