Erbijsommen t/m 1.000
Optellen
| 1. | 360 + 300 = |
807
|
586
|
570
|
660
|
| 2. | 462 + 161 = |
829
|
623
|
608
|
847
|
| 3. | 345 + 192 = |
537
|
963
|
906
|
815
|
| 4. | 467 + 257 = |
850
|
563
|
626
|
724
|
| 5. | 326 + 159 = |
394
|
409
|
485
|
290
|
| 6. | 212 + 177 = |
389
|
416
|
474
|
398
|
| 7. | 448 + 441 = |
897
|
659
|
889
|
710
|
| 8. | 406 + 129 = |
579
|
696
|
535
|
773
|
| 9. | 426 + 392 = |
991
|
736
|
920
|
818
|
| 10. | 307 + 302 = |
602
|
791
|
691
|
609
|
| 11. | 407 + 284 = |
691
|
855
|
723
|
621
|
| 12. | 395 + 244 = |
940
|
639
|
681
|
881
|