Erbijsommen t/m 1.000
Optellen
| 1. | 456 + 305 = |
750
|
761
|
645
|
715
|
| 2. | 355 + 306 = |
659
|
661
|
772
|
793
|
| 3. | 243 + 183 = |
376
|
500
|
426
|
433
|
| 4. | 494 + 325 = |
718
|
942
|
650
|
819
|
| 5. | 381 + 245 = |
567
|
794
|
626
|
681
|
| 6. | 497 + 170 = |
667
|
860
|
534
|
697
|
| 7. | 113 + 107 = |
360
|
220
|
369
|
463
|
| 8. | 310 + 155 = |
416
|
465
|
203
|
405
|
| 9. | 433 + 237 = |
869
|
607
|
670
|
664
|
| 10. | 499 + 132 = |
631
|
576
|
753
|
944
|
| 11. | 319 + 313 = |
860
|
750
|
632
|
852
|
| 12. | 455 + 329 = |
784
|
555
|
948
|
880
|