Erbijsommen t/m 1.000
Optellen
| 1. | 457 + 185 = |
827
|
642
|
616
|
753
|
| 2. | 412 + 338 = |
773
|
750
|
696
|
931
|
| 3. | 413 + 275 = |
915
|
837
|
688
|
917
|
| 4. | 178 + 139 = |
266
|
317
|
333
|
278
|
| 5. | 491 + 177 = |
696
|
997
|
816
|
668
|
| 6. | 327 + 206 = |
695
|
533
|
790
|
807
|
| 7. | 449 + 114 = |
563
|
590
|
927
|
898
|
| 8. | 220 + 198 = |
418
|
471
|
414
|
368
|
| 9. | 451 + 165 = |
503
|
616
|
799
|
647
|
| 10. | 330 + 292 = |
924
|
614
|
635
|
622
|
| 11. | 489 + 167 = |
656
|
838
|
796
|
576
|
| 12. | 426 + 270 = |
909
|
510
|
644
|
696
|