Erbijsommen t/m 1.000
Optellen
| 1. | 340 + 226 = |
709
|
566
|
871
|
774
|
| 2. | 471 + 288 = |
821
|
759
|
852
|
824
|
| 3. | 243 + 159 = |
461
|
369
|
477
|
402
|
| 4. | 457 + 367 = |
714
|
824
|
689
|
571
|
| 5. | 487 + 205 = |
864
|
979
|
504
|
692
|
| 6. | 262 + 163 = |
455
|
284
|
387
|
425
|
| 7. | 163 + 136 = |
355
|
299
|
247
|
313
|
| 8. | 278 + 170 = |
360
|
205
|
232
|
448
|
| 9. | 397 + 301 = |
567
|
698
|
570
|
846
|
| 10. | 329 + 193 = |
958
|
709
|
522
|
529
|
| 11. | 416 + 289 = |
507
|
909
|
728
|
705
|
| 12. | 352 + 233 = |
512
|
668
|
931
|
585
|