Erbijsommen t/m 1.000
Optellen
| 1. | 379 + 181 = |
810
|
560
|
767
|
842
|
| 2. | 417 + 273 = |
690
|
992
|
994
|
981
|
| 3. | 333 + 291 = |
855
|
624
|
658
|
842
|
| 4. | 228 + 139 = |
497
|
493
|
367
|
212
|
| 5. | 436 + 338 = |
615
|
933
|
774
|
775
|
| 6. | 274 + 255 = |
529
|
757
|
943
|
681
|
| 7. | 475 + 178 = |
830
|
933
|
653
|
805
|
| 8. | 169 + 112 = |
426
|
335
|
281
|
235
|
| 9. | 413 + 368 = |
823
|
781
|
685
|
695
|
| 10. | 496 + 397 = |
893
|
894
|
510
|
847
|
| 11. | 298 + 287 = |
710
|
744
|
585
|
722
|
| 12. | 487 + 315 = |
709
|
712
|
542
|
802
|