Erbijsommen t/m 1.000
Optellen
| 1. | 414 + 353 = |
767
|
877
|
583
|
744
|
| 2. | 335 + 164 = |
401
|
499
|
428
|
432
|
| 3. | 408 + 274 = |
602
|
539
|
666
|
682
|
| 4. | 354 + 141 = |
283
|
495
|
230
|
445
|
| 5. | 220 + 141 = |
429
|
361
|
315
|
345
|
| 6. | 359 + 160 = |
927
|
740
|
690
|
519
|
| 7. | 214 + 207 = |
222
|
421
|
278
|
458
|
| 8. | 269 + 154 = |
368
|
333
|
423
|
350
|
| 9. | 312 + 233 = |
742
|
659
|
545
|
546
|
| 10. | 491 + 187 = |
922
|
678
|
748
|
709
|
| 11. | 366 + 352 = |
780
|
747
|
718
|
856
|
| 12. | 284 + 204 = |
488
|
345
|
320
|
255
|