Erbijsommen t/m 1.000
Optellen
| 1. | 469 + 242 = |
842
|
784
|
711
|
962
|
| 2. | 426 + 269 = |
946
|
645
|
897
|
695
|
| 3. | 435 + 177 = |
858
|
629
|
758
|
612
|
| 4. | 479 + 169 = |
638
|
648
|
532
|
977
|
| 5. | 480 + 367 = |
847
|
515
|
748
|
913
|
| 6. | 440 + 371 = |
811
|
954
|
880
|
839
|
| 7. | 280 + 118 = |
283
|
247
|
374
|
398
|
| 8. | 329 + 243 = |
547
|
957
|
572
|
846
|
| 9. | 422 + 344 = |
970
|
766
|
685
|
835
|
| 10. | 347 + 326 = |
699
|
884
|
796
|
673
|
| 11. | 310 + 148 = |
458
|
440
|
344
|
320
|
| 12. | 436 + 127 = |
672
|
576
|
761
|
563
|