Erbijsommen t/m 1.000
Optellen
| 1. | 375 + 138 = |
525
|
632
|
513
|
807
|
| 2. | 480 + 221 = |
647
|
548
|
701
|
570
|
| 3. | 322 + 167 = |
355
|
231
|
218
|
489
|
| 4. | 431 + 240 = |
752
|
617
|
671
|
531
|
| 5. | 179 + 170 = |
349
|
443
|
487
|
210
|
| 6. | 311 + 289 = |
907
|
961
|
600
|
697
|
| 7. | 444 + 149 = |
678
|
525
|
776
|
593
|
| 8. | 405 + 216 = |
660
|
621
|
799
|
602
|
| 9. | 465 + 304 = |
811
|
856
|
710
|
769
|
| 10. | 299 + 290 = |
781
|
915
|
671
|
589
|
| 11. | 153 + 131 = |
284
|
233
|
310
|
491
|
| 12. | 252 + 249 = |
746
|
825
|
510
|
501
|