Erbijsommen t/m 1.000
Optellen
| 1. | 250 + 128 = |
356
|
378
|
467
|
389
|
| 2. | 197 + 147 = |
332
|
269
|
451
|
344
|
| 3. | 443 + 440 = |
785
|
988
|
883
|
976
|
| 4. | 376 + 349 = |
725
|
926
|
671
|
608
|
| 5. | 279 + 109 = |
361
|
500
|
388
|
229
|
| 6. | 358 + 132 = |
490
|
326
|
354
|
342
|
| 7. | 485 + 443 = |
928
|
652
|
827
|
691
|
| 8. | 281 + 129 = |
478
|
410
|
372
|
382
|
| 9. | 285 + 180 = |
465
|
492
|
497
|
306
|
| 10. | 153 + 146 = |
299
|
260
|
420
|
394
|
| 11. | 445 + 369 = |
594
|
526
|
814
|
983
|
| 12. | 480 + 206 = |
686
|
527
|
905
|
927
|