Erbijsommen t/m 1.000
Optellen
| 1. | 278 + 102 = |
249
|
380
|
467
|
304
|
| 2. | 397 + 381 = |
639
|
936
|
778
|
754
|
| 3. | 314 + 160 = |
474
|
483
|
215
|
334
|
| 4. | 373 + 222 = |
719
|
806
|
963
|
595
|
| 5. | 491 + 149 = |
640
|
577
|
544
|
687
|
| 6. | 470 + 367 = |
837
|
937
|
866
|
840
|
| 7. | 333 + 202 = |
535
|
645
|
739
|
816
|
| 8. | 243 + 186 = |
278
|
429
|
217
|
292
|
| 9. | 274 + 175 = |
331
|
378
|
449
|
431
|
| 10. | 478 + 381 = |
859
|
929
|
535
|
971
|
| 11. | 428 + 162 = |
725
|
813
|
534
|
590
|
| 12. | 254 + 160 = |
214
|
480
|
290
|
414
|