Erbijsommen t/m 1.000
Optellen
| 1. | 426 + 336 = |
968
|
762
|
963
|
813
|
| 2. | 401 + 306 = |
719
|
707
|
932
|
930
|
| 3. | 278 + 260 = |
753
|
538
|
900
|
645
|
| 4. | 173 + 140 = |
313
|
423
|
490
|
237
|
| 5. | 351 + 348 = |
906
|
643
|
738
|
699
|
| 6. | 242 + 172 = |
286
|
333
|
309
|
414
|
| 7. | 341 + 327 = |
784
|
890
|
668
|
749
|
| 8. | 230 + 213 = |
490
|
443
|
352
|
473
|
| 9. | 479 + 364 = |
843
|
752
|
804
|
583
|
| 10. | 436 + 341 = |
651
|
934
|
821
|
777
|
| 11. | 400 + 131 = |
531
|
753
|
800
|
929
|
| 12. | 101 + 100 = |
408
|
340
|
423
|
201
|