Erbijsommen t/m 1.000
Optellen
| 1. | 414 + 139 = |
540
|
711
|
679
|
553
|
| 2. | 479 + 220 = |
699
|
880
|
819
|
930
|
| 3. | 273 + 154 = |
408
|
427
|
495
|
419
|
| 4. | 292 + 245 = |
537
|
850
|
964
|
521
|
| 5. | 279 + 167 = |
289
|
346
|
257
|
446
|
| 6. | 481 + 288 = |
769
|
685
|
546
|
934
|
| 7. | 499 + 458 = |
649
|
760
|
957
|
973
|
| 8. | 407 + 396 = |
570
|
562
|
803
|
837
|
| 9. | 340 + 113 = |
273
|
453
|
492
|
329
|
| 10. | 363 + 332 = |
807
|
695
|
788
|
707
|
| 11. | 480 + 296 = |
776
|
984
|
934
|
575
|
| 12. | 470 + 127 = |
597
|
877
|
548
|
624
|