Erbijsommen t/m 1.000
Optellen
| 1. | 332 + 245 = |
771
|
577
|
896
|
692
|
| 2. | 481 + 250 = |
624
|
614
|
859
|
731
|
| 3. | 413 + 121 = |
612
|
731
|
553
|
534
|
| 4. | 375 + 200 = |
792
|
856
|
709
|
575
|
| 5. | 288 + 199 = |
286
|
487
|
449
|
421
|
| 6. | 329 + 328 = |
727
|
819
|
782
|
657
|
| 7. | 390 + 181 = |
687
|
571
|
872
|
906
|
| 8. | 374 + 177 = |
690
|
917
|
551
|
742
|
| 9. | 294 + 205 = |
499
|
414
|
403
|
299
|
| 10. | 444 + 294 = |
914
|
738
|
653
|
955
|
| 11. | 464 + 393 = |
728
|
892
|
857
|
931
|
| 12. | 401 + 279 = |
529
|
680
|
568
|
933
|