Erbijsommen t/m 1.000
Optellen
| 1. | 328 + 285 = |
966
|
862
|
613
|
989
|
| 2. | 452 + 223 = |
731
|
579
|
675
|
729
|
| 3. | 480 + 197 = |
641
|
934
|
613
|
677
|
| 4. | 366 + 320 = |
781
|
536
|
686
|
540
|
| 5. | 273 + 179 = |
452
|
267
|
414
|
448
|
| 6. | 449 + 180 = |
783
|
795
|
629
|
990
|
| 7. | 361 + 295 = |
518
|
838
|
656
|
711
|
| 8. | 394 + 227 = |
684
|
824
|
621
|
749
|
| 9. | 488 + 432 = |
707
|
553
|
920
|
967
|
| 10. | 159 + 142 = |
301
|
246
|
312
|
294
|
| 11. | 463 + 357 = |
928
|
738
|
539
|
820
|
| 12. | 346 + 123 = |
298
|
253
|
469
|
382
|