Erbijsommen t/m 1.000
Optellen
| 1. | 475 + 137 = |
960
|
612
|
608
|
509
|
| 2. | 354 + 274 = |
628
|
722
|
670
|
854
|
| 3. | 336 + 119 = |
342
|
301
|
455
|
431
|
| 4. | 171 + 135 = |
380
|
306
|
322
|
387
|
| 5. | 343 + 257 = |
506
|
600
|
932
|
568
|
| 6. | 406 + 249 = |
841
|
655
|
918
|
627
|
| 7. | 469 + 374 = |
552
|
843
|
858
|
622
|
| 8. | 490 + 243 = |
733
|
542
|
519
|
575
|
| 9. | 491 + 115 = |
582
|
606
|
579
|
788
|
| 10. | 348 + 299 = |
994
|
659
|
637
|
647
|
| 11. | 315 + 279 = |
594
|
596
|
754
|
662
|
| 12. | 420 + 288 = |
708
|
611
|
954
|
625
|