Erbijsommen t/m 1.000
Optellen
| 1. | 188 + 163 = |
255
|
351
|
426
|
420
|
| 2. | 162 + 147 = |
309
|
219
|
230
|
322
|
| 3. | 235 + 148 = |
383
|
453
|
452
|
228
|
| 4. | 381 + 356 = |
507
|
737
|
842
|
616
|
| 5. | 352 + 187 = |
936
|
811
|
787
|
539
|
| 6. | 342 + 113 = |
455
|
380
|
468
|
473
|
| 7. | 198 + 189 = |
333
|
387
|
354
|
394
|
| 8. | 341 + 307 = |
569
|
648
|
979
|
833
|
| 9. | 491 + 293 = |
784
|
584
|
606
|
775
|
| 10. | 441 + 434 = |
988
|
875
|
687
|
739
|
| 11. | 317 + 239 = |
556
|
646
|
879
|
661
|
| 12. | 289 + 280 = |
652
|
989
|
569
|
856
|