Erbijsommen t/m 1.000
Optellen
| 1. | 289 + 142 = |
409
|
431
|
460
|
223
|
| 2. | 318 + 106 = |
424
|
498
|
307
|
320
|
| 3. | 170 + 163 = |
276
|
333
|
294
|
405
|
| 4. | 345 + 234 = |
579
|
533
|
896
|
912
|
| 5. | 362 + 180 = |
542
|
919
|
683
|
647
|
| 6. | 276 + 151 = |
427
|
429
|
362
|
487
|
| 7. | 357 + 256 = |
613
|
959
|
572
|
630
|
| 8. | 480 + 342 = |
832
|
938
|
822
|
601
|
| 9. | 436 + 231 = |
513
|
659
|
667
|
980
|
| 10. | 392 + 162 = |
554
|
727
|
962
|
578
|
| 11. | 441 + 260 = |
534
|
701
|
885
|
915
|
| 12. | 409 + 365 = |
1.000
|
694
|
545
|
774
|