Erbijsommen t/m 1.000
Optellen
| 1. | 329 + 222 = |
966
|
551
|
910
|
945
|
| 2. | 353 + 352 = |
858
|
837
|
683
|
705
|
| 3. | 298 + 170 = |
208
|
477
|
468
|
486
|
| 4. | 308 + 188 = |
420
|
398
|
437
|
496
|
| 5. | 487 + 236 = |
850
|
558
|
836
|
723
|
| 6. | 302 + 255 = |
557
|
932
|
910
|
595
|
| 7. | 154 + 145 = |
485
|
371
|
299
|
359
|
| 8. | 409 + 150 = |
559
|
594
|
983
|
649
|
| 9. | 426 + 137 = |
602
|
563
|
541
|
617
|
| 10. | 255 + 114 = |
369
|
260
|
464
|
328
|
| 11. | 365 + 207 = |
683
|
519
|
572
|
961
|
| 12. | 396 + 358 = |
705
|
754
|
777
|
804
|