Erbijsommen t/m 1.000
Optellen
| 1. | 312 + 224 = |
578
|
536
|
933
|
862
|
| 2. | 411 + 356 = |
581
|
819
|
861
|
767
|
| 3. | 188 + 137 = |
283
|
454
|
325
|
353
|
| 4. | 409 + 333 = |
966
|
699
|
700
|
742
|
| 5. | 464 + 199 = |
756
|
663
|
896
|
807
|
| 6. | 398 + 302 = |
977
|
700
|
946
|
762
|
| 7. | 490 + 342 = |
892
|
908
|
924
|
832
|
| 8. | 499 + 319 = |
844
|
818
|
822
|
504
|
| 9. | 381 + 208 = |
589
|
829
|
548
|
824
|
| 10. | 206 + 106 = |
312
|
330
|
373
|
342
|
| 11. | 430 + 212 = |
642
|
780
|
920
|
832
|
| 12. | 273 + 255 = |
717
|
635
|
505
|
528
|