Erbijsommen t/m 1.000
Optellen
| 1. | 311 + 140 = |
468
|
346
|
451
|
321
|
| 2. | 465 + 296 = |
521
|
686
|
761
|
752
|
| 3. | 381 + 249 = |
751
|
581
|
662
|
630
|
| 4. | 271 + 238 = |
509
|
500
|
589
|
793
|
| 5. | 491 + 349 = |
744
|
939
|
757
|
840
|
| 6. | 379 + 188 = |
879
|
571
|
941
|
567
|
| 7. | 316 + 114 = |
347
|
434
|
225
|
430
|
| 8. | 493 + 204 = |
697
|
646
|
944
|
517
|
| 9. | 263 + 223 = |
469
|
439
|
417
|
486
|
| 10. | 427 + 148 = |
653
|
856
|
876
|
575
|
| 11. | 249 + 119 = |
249
|
343
|
379
|
368
|
| 12. | 487 + 297 = |
651
|
525
|
639
|
784
|