Erbijsommen t/m 1.000
Optellen
| 1. | 445 + 162 = |
607
|
710
|
565
|
628
|
| 2. | 475 + 429 = |
697
|
887
|
821
|
904
|
| 3. | 408 + 158 = |
973
|
943
|
566
|
810
|
| 4. | 145 + 121 = |
414
|
266
|
214
|
281
|
| 5. | 407 + 370 = |
807
|
901
|
777
|
779
|
| 6. | 391 + 351 = |
806
|
742
|
782
|
956
|
| 7. | 390 + 165 = |
555
|
538
|
517
|
571
|
| 8. | 382 + 110 = |
412
|
497
|
492
|
330
|
| 9. | 210 + 160 = |
266
|
237
|
370
|
205
|
| 10. | 470 + 366 = |
557
|
941
|
836
|
942
|
| 11. | 240 + 123 = |
230
|
224
|
307
|
363
|
| 12. | 475 + 150 = |
625
|
741
|
952
|
820
|