Erbijsommen t/m 1.000
Optellen
| 1. | 405 + 180 = |
753
|
965
|
585
|
728
|
| 2. | 409 + 275 = |
583
|
734
|
613
|
684
|
| 3. | 480 + 227 = |
871
|
780
|
925
|
707
|
| 4. | 334 + 219 = |
1.000
|
553
|
650
|
503
|
| 5. | 491 + 208 = |
652
|
513
|
699
|
811
|
| 6. | 294 + 111 = |
405
|
320
|
289
|
330
|
| 7. | 460 + 279 = |
715
|
628
|
739
|
589
|
| 8. | 217 + 212 = |
333
|
429
|
341
|
340
|
| 9. | 442 + 181 = |
971
|
623
|
685
|
665
|
| 10. | 368 + 236 = |
604
|
563
|
828
|
518
|
| 11. | 317 + 177 = |
320
|
492
|
494
|
281
|
| 12. | 228 + 217 = |
229
|
316
|
479
|
445
|