Erbijsommen t/m 1.000
Optellen
| 1. | 476 + 189 = |
666
|
954
|
592
|
665
|
| 2. | 375 + 225 = |
973
|
957
|
871
|
600
|
| 3. | 491 + 449 = |
531
|
666
|
529
|
940
|
| 4. | 490 + 247 = |
737
|
912
|
954
|
870
|
| 5. | 153 + 128 = |
264
|
410
|
395
|
281
|
| 6. | 447 + 216 = |
726
|
927
|
663
|
556
|
| 7. | 496 + 360 = |
868
|
856
|
831
|
783
|
| 8. | 282 + 273 = |
961
|
952
|
555
|
935
|
| 9. | 276 + 101 = |
377
|
371
|
473
|
459
|
| 10. | 214 + 206 = |
330
|
450
|
217
|
420
|
| 11. | 346 + 319 = |
569
|
665
|
711
|
511
|
| 12. | 426 + 353 = |
738
|
659
|
881
|
779
|