Erbijsommen t/m 1.000
Optellen
| 1. | 460 + 326 = |
785
|
570
|
786
|
755
|
| 2. | 470 + 256 = |
726
|
761
|
914
|
773
|
| 3. | 305 + 213 = |
569
|
740
|
518
|
738
|
| 4. | 240 + 176 = |
496
|
321
|
211
|
416
|
| 5. | 278 + 232 = |
510
|
808
|
869
|
833
|
| 6. | 305 + 271 = |
640
|
736
|
818
|
576
|
| 7. | 497 + 485 = |
714
|
558
|
982
|
605
|
| 8. | 200 + 196 = |
275
|
341
|
396
|
440
|
| 9. | 344 + 216 = |
786
|
696
|
944
|
560
|
| 10. | 483 + 173 = |
656
|
834
|
589
|
925
|
| 11. | 451 + 267 = |
575
|
714
|
718
|
890
|
| 12. | 241 + 125 = |
313
|
366
|
409
|
358
|