Erbijsommen t/m 1.000
Optellen
| 1. | 382 + 287 = |
904
|
899
|
700
|
669
|
| 2. | 493 + 384 = |
747
|
877
|
704
|
972
|
| 3. | 407 + 292 = |
719
|
922
|
699
|
723
|
| 4. | 399 + 273 = |
780
|
672
|
728
|
934
|
| 5. | 357 + 278 = |
971
|
533
|
635
|
704
|
| 6. | 416 + 374 = |
837
|
953
|
887
|
790
|
| 7. | 284 + 232 = |
642
|
516
|
992
|
855
|
| 8. | 215 + 103 = |
318
|
210
|
430
|
225
|
| 9. | 435 + 431 = |
554
|
992
|
981
|
866
|
| 10. | 467 + 342 = |
545
|
809
|
700
|
854
|
| 11. | 231 + 103 = |
415
|
394
|
334
|
451
|
| 12. | 450 + 138 = |
785
|
617
|
946
|
588
|