Erbijsommen t/m 1.000
Optellen
| 1. | 492 + 110 = |
577
|
602
|
936
|
872
|
| 2. | 283 + 270 = |
928
|
977
|
826
|
553
|
| 3. | 286 + 222 = |
508
|
702
|
672
|
521
|
| 4. | 446 + 171 = |
506
|
568
|
530
|
617
|
| 5. | 357 + 135 = |
443
|
316
|
323
|
492
|
| 6. | 365 + 223 = |
817
|
736
|
969
|
588
|
| 7. | 262 + 132 = |
265
|
364
|
232
|
394
|
| 8. | 340 + 272 = |
835
|
612
|
930
|
886
|
| 9. | 443 + 432 = |
698
|
753
|
719
|
875
|
| 10. | 373 + 338 = |
880
|
943
|
769
|
711
|
| 11. | 269 + 207 = |
407
|
227
|
373
|
476
|
| 12. | 493 + 159 = |
617
|
520
|
823
|
652
|