Erbijsommen t/m 1.000
Optellen
| 1. | 150 + 147 = |
297
|
392
|
359
|
358
|
| 2. | 474 + 249 = |
723
|
791
|
962
|
935
|
| 3. | 430 + 231 = |
711
|
639
|
661
|
575
|
| 4. | 460 + 299 = |
759
|
831
|
535
|
898
|
| 5. | 411 + 110 = |
737
|
521
|
620
|
914
|
| 6. | 440 + 107 = |
547
|
964
|
687
|
950
|
| 7. | 436 + 103 = |
539
|
673
|
708
|
934
|
| 8. | 496 + 285 = |
781
|
701
|
636
|
714
|
| 9. | 448 + 159 = |
899
|
607
|
742
|
712
|
| 10. | 480 + 437 = |
601
|
630
|
917
|
526
|
| 11. | 367 + 241 = |
842
|
828
|
608
|
928
|
| 12. | 197 + 123 = |
355
|
482
|
257
|
320
|