Erbijsommen t/m 1.000
Optellen
| 1. | 395 + 275 = |
670
|
547
|
501
|
698
|
| 2. | 375 + 138 = |
645
|
748
|
513
|
854
|
| 3. | 422 + 108 = |
530
|
803
|
536
|
512
|
| 4. | 383 + 179 = |
624
|
562
|
621
|
850
|
| 5. | 410 + 109 = |
664
|
659
|
519
|
686
|
| 6. | 183 + 172 = |
240
|
352
|
355
|
283
|
| 7. | 291 + 280 = |
571
|
960
|
518
|
917
|
| 8. | 412 + 123 = |
963
|
580
|
535
|
910
|
| 9. | 437 + 370 = |
849
|
792
|
807
|
850
|
| 10. | 400 + 339 = |
739
|
901
|
578
|
882
|
| 11. | 356 + 113 = |
469
|
472
|
422
|
362
|
| 12. | 251 + 177 = |
368
|
428
|
400
|
487
|