Erbijsommen t/m 1.000
Optellen
| 1. | 329 + 278 = |
876
|
628
|
627
|
607
|
| 2. | 498 + 155 = |
697
|
950
|
653
|
770
|
| 3. | 312 + 244 = |
661
|
553
|
973
|
556
|
| 4. | 462 + 360 = |
687
|
580
|
822
|
904
|
| 5. | 198 + 129 = |
496
|
484
|
368
|
327
|
| 6. | 473 + 386 = |
926
|
859
|
769
|
647
|
| 7. | 424 + 248 = |
588
|
969
|
850
|
672
|
| 8. | 159 + 143 = |
277
|
472
|
376
|
302
|
| 9. | 499 + 253 = |
924
|
752
|
582
|
895
|
| 10. | 223 + 170 = |
464
|
393
|
479
|
434
|
| 11. | 419 + 194 = |
907
|
613
|
990
|
961
|
| 12. | 177 + 106 = |
304
|
436
|
283
|
369
|