Erbijsommen t/m 1.000
Optellen
| 1. | 452 + 425 = |
533
|
877
|
566
|
881
|
| 2. | 112 + 109 = |
349
|
253
|
318
|
221
|
| 3. | 183 + 166 = |
392
|
349
|
368
|
419
|
| 4. | 373 + 116 = |
489
|
363
|
366
|
438
|
| 5. | 484 + 164 = |
648
|
674
|
776
|
893
|
| 6. | 305 + 147 = |
452
|
390
|
306
|
225
|
| 7. | 462 + 110 = |
591
|
572
|
791
|
568
|
| 8. | 353 + 209 = |
957
|
886
|
562
|
712
|
| 9. | 462 + 119 = |
697
|
581
|
810
|
903
|
| 10. | 375 + 164 = |
539
|
998
|
550
|
841
|
| 11. | 361 + 105 = |
404
|
297
|
466
|
454
|
| 12. | 396 + 198 = |
953
|
594
|
508
|
906
|