Erbijsommen t/m 1.000
Optellen
| 1. | 431 + 397 = |
869
|
930
|
828
|
695
|
| 2. | 449 + 177 = |
978
|
808
|
626
|
904
|
| 3. | 219 + 116 = |
329
|
468
|
335
|
344
|
| 4. | 372 + 115 = |
314
|
330
|
262
|
487
|
| 5. | 427 + 408 = |
905
|
835
|
961
|
551
|
| 6. | 456 + 134 = |
582
|
590
|
781
|
619
|
| 7. | 342 + 194 = |
679
|
858
|
536
|
845
|
| 8. | 454 + 390 = |
828
|
818
|
844
|
537
|
| 9. | 284 + 106 = |
225
|
494
|
458
|
390
|
| 10. | 376 + 221 = |
562
|
873
|
597
|
723
|
| 11. | 486 + 246 = |
708
|
732
|
540
|
678
|
| 12. | 285 + 111 = |
398
|
427
|
391
|
396
|