Erbijsommen t/m 1.000
Optellen
| 1. | 230 + 169 = |
392
|
212
|
399
|
217
|
| 2. | 487 + 239 = |
978
|
541
|
726
|
561
|
| 3. | 417 + 366 = |
783
|
660
|
921
|
1.000
|
| 4. | 361 + 320 = |
710
|
681
|
938
|
556
|
| 5. | 257 + 171 = |
406
|
425
|
367
|
428
|
| 6. | 488 + 428 = |
992
|
628
|
916
|
534
|
| 7. | 460 + 221 = |
673
|
965
|
681
|
794
|
| 8. | 445 + 180 = |
961
|
625
|
515
|
626
|
| 9. | 410 + 283 = |
659
|
974
|
693
|
906
|
| 10. | 274 + 180 = |
228
|
292
|
454
|
240
|
| 11. | 350 + 185 = |
535
|
861
|
631
|
533
|
| 12. | 321 + 101 = |
221
|
434
|
279
|
422
|