Erbijsommen t/m 1.000
Optellen
| 1. | 442 + 397 = |
768
|
551
|
545
|
839
|
| 2. | 481 + 135 = |
680
|
786
|
616
|
536
|
| 3. | 307 + 256 = |
563
|
991
|
615
|
501
|
| 4. | 276 + 207 = |
483
|
440
|
345
|
331
|
| 5. | 413 + 284 = |
697
|
935
|
826
|
821
|
| 6. | 492 + 411 = |
983
|
903
|
842
|
851
|
| 7. | 198 + 142 = |
340
|
397
|
344
|
203
|
| 8. | 335 + 313 = |
616
|
647
|
550
|
648
|
| 9. | 344 + 274 = |
745
|
618
|
685
|
766
|
| 10. | 428 + 242 = |
539
|
990
|
670
|
516
|
| 11. | 385 + 351 = |
931
|
548
|
736
|
802
|
| 12. | 433 + 312 = |
624
|
534
|
753
|
745
|