Erbijsommen t/m 1.000
Optellen
| 1. | 386 + 335 = |
688
|
721
|
649
|
761
|
| 2. | 317 + 297 = |
568
|
614
|
910
|
865
|
| 3. | 428 + 233 = |
563
|
837
|
661
|
575
|
| 4. | 303 + 144 = |
414
|
447
|
203
|
205
|
| 5. | 463 + 135 = |
910
|
598
|
692
|
656
|
| 6. | 464 + 389 = |
738
|
501
|
698
|
853
|
| 7. | 475 + 220 = |
695
|
811
|
728
|
937
|
| 8. | 278 + 171 = |
335
|
249
|
449
|
417
|
| 9. | 383 + 133 = |
634
|
516
|
720
|
644
|
| 10. | 223 + 217 = |
286
|
440
|
467
|
373
|
| 11. | 312 + 234 = |
672
|
953
|
558
|
546
|
| 12. | 498 + 288 = |
681
|
637
|
786
|
538
|