Erbijsommen t/m 1.000
Optellen
| 1. | 377 + 213 = |
899
|
590
|
847
|
547
|
| 2. | 421 + 322 = |
898
|
685
|
743
|
889
|
| 3. | 386 + 365 = |
751
|
838
|
556
|
770
|
| 4. | 482 + 360 = |
842
|
615
|
643
|
505
|
| 5. | 480 + 448 = |
714
|
696
|
580
|
928
|
| 6. | 317 + 280 = |
663
|
944
|
597
|
660
|
| 7. | 316 + 180 = |
449
|
496
|
272
|
342
|
| 8. | 343 + 276 = |
900
|
635
|
619
|
940
|
| 9. | 389 + 238 = |
889
|
627
|
671
|
756
|
| 10. | 388 + 281 = |
995
|
859
|
878
|
669
|
| 11. | 379 + 231 = |
865
|
610
|
542
|
781
|
| 12. | 274 + 169 = |
258
|
216
|
443
|
488
|