Erbijsommen t/m 1.000
Optellen
| 1. | 169 + 125 = |
243
|
294
|
420
|
304
|
| 2. | 376 + 275 = |
583
|
651
|
903
|
620
|
| 3. | 337 + 222 = |
874
|
817
|
559
|
677
|
| 4. | 476 + 350 = |
557
|
826
|
542
|
508
|
| 5. | 141 + 138 = |
201
|
215
|
390
|
279
|
| 6. | 409 + 378 = |
787
|
611
|
952
|
759
|
| 7. | 485 + 363 = |
848
|
566
|
789
|
942
|
| 8. | 329 + 180 = |
723
|
901
|
509
|
697
|
| 9. | 218 + 210 = |
352
|
466
|
428
|
364
|
| 10. | 500 + 181 = |
968
|
580
|
662
|
681
|
| 11. | 243 + 104 = |
241
|
375
|
347
|
230
|
| 12. | 437 + 109 = |
821
|
546
|
529
|
827
|