Erbijsommen t/m 1.000
Optellen
| 1. | 280 + 199 = |
316
|
479
|
305
|
460
|
| 2. | 427 + 239 = |
674
|
554
|
565
|
666
|
| 3. | 374 + 341 = |
634
|
715
|
956
|
889
|
| 4. | 273 + 185 = |
456
|
203
|
458
|
427
|
| 5. | 260 + 158 = |
475
|
418
|
225
|
263
|
| 6. | 327 + 167 = |
494
|
302
|
454
|
435
|
| 7. | 370 + 223 = |
593
|
555
|
548
|
620
|
| 8. | 488 + 103 = |
636
|
591
|
772
|
576
|
| 9. | 381 + 289 = |
965
|
670
|
634
|
790
|
| 10. | 163 + 104 = |
203
|
267
|
434
|
468
|
| 11. | 312 + 229 = |
622
|
976
|
672
|
541
|
| 12. | 460 + 388 = |
923
|
892
|
649
|
848
|