Erbijsommen t/m 1.000
Optellen
| 1. | 400 + 302 = |
765
|
727
|
702
|
901
|
| 2. | 436 + 225 = |
649
|
872
|
661
|
532
|
| 3. | 419 + 249 = |
993
|
904
|
668
|
815
|
| 4. | 438 + 138 = |
539
|
576
|
607
|
773
|
| 5. | 382 + 308 = |
1.000
|
690
|
540
|
769
|
| 6. | 175 + 106 = |
479
|
464
|
282
|
281
|
| 7. | 482 + 381 = |
863
|
926
|
606
|
634
|
| 8. | 470 + 312 = |
709
|
782
|
801
|
681
|
| 9. | 302 + 194 = |
292
|
411
|
496
|
245
|
| 10. | 315 + 177 = |
492
|
479
|
498
|
419
|
| 11. | 151 + 105 = |
211
|
243
|
256
|
379
|
| 12. | 305 + 171 = |
372
|
476
|
441
|
310
|