Erbijsommen t/m 1.000
Optellen
| 1. | 350 + 109 = |
323
|
497
|
459
|
434
|
| 2. | 225 + 171 = |
396
|
470
|
368
|
271
|
| 3. | 450 + 303 = |
757
|
753
|
515
|
868
|
| 4. | 171 + 171 = |
439
|
410
|
336
|
342
|
| 5. | 429 + 264 = |
903
|
693
|
646
|
739
|
| 6. | 190 + 160 = |
350
|
484
|
395
|
276
|
| 7. | 500 + 253 = |
560
|
753
|
649
|
582
|
| 8. | 487 + 136 = |
927
|
623
|
899
|
585
|
| 9. | 463 + 408 = |
925
|
914
|
690
|
871
|
| 10. | 287 + 143 = |
360
|
379
|
287
|
430
|
| 11. | 394 + 192 = |
586
|
955
|
915
|
785
|
| 12. | 449 + 439 = |
888
|
803
|
750
|
668
|