Erbijsommen t/m 1.000
Optellen
| 1. | 447 + 406 = |
870
|
799
|
777
|
853
|
| 2. | 291 + 245 = |
934
|
913
|
620
|
536
|
| 3. | 460 + 361 = |
938
|
543
|
536
|
821
|
| 4. | 145 + 126 = |
363
|
271
|
416
|
410
|
| 5. | 341 + 230 = |
697
|
877
|
571
|
792
|
| 6. | 425 + 261 = |
573
|
915
|
547
|
686
|
| 7. | 219 + 175 = |
394
|
307
|
264
|
220
|
| 8. | 288 + 154 = |
442
|
432
|
286
|
320
|
| 9. | 233 + 145 = |
337
|
492
|
378
|
402
|
| 10. | 336 + 200 = |
560
|
578
|
913
|
536
|
| 11. | 372 + 364 = |
717
|
736
|
612
|
862
|
| 12. | 459 + 169 = |
652
|
734
|
805
|
628
|