Erbijsommen t/m 1.000
Optellen
| 1. | 449 + 276 = |
721
|
512
|
800
|
725
|
| 2. | 176 + 110 = |
383
|
286
|
239
|
305
|
| 3. | 476 + 428 = |
751
|
904
|
832
|
968
|
| 4. | 312 + 232 = |
796
|
612
|
705
|
544
|
| 5. | 172 + 159 = |
499
|
462
|
460
|
331
|
| 6. | 498 + 254 = |
777
|
789
|
596
|
752
|
| 7. | 369 + 321 = |
690
|
702
|
844
|
557
|
| 8. | 275 + 236 = |
511
|
843
|
645
|
545
|
| 9. | 197 + 184 = |
431
|
318
|
381
|
455
|
| 10. | 315 + 313 = |
628
|
830
|
762
|
586
|
| 11. | 475 + 111 = |
751
|
676
|
525
|
586
|
| 12. | 435 + 133 = |
857
|
568
|
884
|
968
|