Erbijsommen t/m 1.000
Optellen
| 1. | 466 + 305 = |
546
|
921
|
909
|
771
|
| 2. | 492 + 321 = |
661
|
723
|
924
|
813
|
| 3. | 285 + 141 = |
494
|
449
|
324
|
426
|
| 4. | 460 + 253 = |
713
|
788
|
900
|
664
|
| 5. | 472 + 311 = |
573
|
632
|
783
|
896
|
| 6. | 318 + 227 = |
552
|
846
|
739
|
545
|
| 7. | 493 + 287 = |
909
|
741
|
724
|
780
|
| 8. | 300 + 293 = |
511
|
861
|
725
|
593
|
| 9. | 451 + 318 = |
591
|
874
|
924
|
769
|
| 10. | 490 + 134 = |
909
|
522
|
683
|
624
|
| 11. | 209 + 137 = |
346
|
290
|
212
|
280
|
| 12. | 319 + 198 = |
926
|
924
|
517
|
808
|