Erbijsommen t/m 1.000
Optellen
| 1. | 461 + 395 = |
718
|
855
|
856
|
613
|
| 2. | 368 + 253 = |
621
|
907
|
991
|
881
|
| 3. | 451 + 396 = |
699
|
670
|
521
|
847
|
| 4. | 478 + 297 = |
602
|
626
|
639
|
775
|
| 5. | 306 + 250 = |
691
|
845
|
749
|
556
|
| 6. | 206 + 101 = |
328
|
307
|
224
|
263
|
| 7. | 210 + 201 = |
345
|
411
|
460
|
330
|
| 8. | 247 + 158 = |
326
|
405
|
484
|
408
|
| 9. | 166 + 160 = |
326
|
475
|
240
|
200
|
| 10. | 438 + 200 = |
743
|
913
|
915
|
638
|
| 11. | 325 + 312 = |
627
|
763
|
937
|
637
|
| 12. | 453 + 188 = |
592
|
641
|
787
|
715
|