Erbijsommen t/m 1.000
Optellen
| 1. | 391 + 372 = |
896
|
763
|
775
|
955
|
| 2. | 289 + 169 = |
458
|
307
|
278
|
314
|
| 3. | 498 + 423 = |
992
|
921
|
788
|
983
|
| 4. | 352 + 289 = |
565
|
915
|
641
|
820
|
| 5. | 415 + 134 = |
549
|
702
|
926
|
850
|
| 6. | 392 + 161 = |
603
|
693
|
831
|
553
|
| 7. | 455 + 241 = |
696
|
544
|
577
|
914
|
| 8. | 494 + 161 = |
655
|
903
|
957
|
843
|
| 9. | 442 + 178 = |
620
|
911
|
947
|
666
|
| 10. | 369 + 274 = |
643
|
809
|
962
|
908
|
| 11. | 341 + 276 = |
536
|
617
|
781
|
583
|
| 12. | 300 + 278 = |
564
|
680
|
578
|
903
|