Erbijsommen t/m 1.000
Optellen
| 1. | 339 + 208 = |
913
|
525
|
928
|
547
|
| 2. | 491 + 256 = |
705
|
555
|
747
|
644
|
| 3. | 468 + 403 = |
894
|
871
|
700
|
963
|
| 4. | 297 + 266 = |
563
|
688
|
945
|
658
|
| 5. | 392 + 265 = |
903
|
718
|
679
|
657
|
| 6. | 243 + 227 = |
500
|
480
|
348
|
470
|
| 7. | 365 + 244 = |
975
|
609
|
673
|
750
|
| 8. | 373 + 224 = |
837
|
597
|
962
|
748
|
| 9. | 475 + 436 = |
851
|
969
|
858
|
911
|
| 10. | 347 + 334 = |
681
|
849
|
665
|
941
|
| 11. | 217 + 168 = |
472
|
441
|
480
|
385
|
| 12. | 323 + 177 = |
499
|
370
|
487
|
500
|