Erbijsommen t/m 1.000
Optellen
| 1. | 485 + 240 = |
611
|
725
|
540
|
526
|
| 2. | 206 + 181 = |
312
|
446
|
254
|
387
|
| 3. | 493 + 414 = |
671
|
907
|
929
|
632
|
| 4. | 460 + 434 = |
894
|
783
|
573
|
810
|
| 5. | 487 + 198 = |
685
|
983
|
501
|
854
|
| 6. | 179 + 125 = |
428
|
235
|
304
|
358
|
| 7. | 484 + 382 = |
866
|
944
|
684
|
967
|
| 8. | 217 + 126 = |
310
|
343
|
291
|
451
|
| 9. | 405 + 148 = |
860
|
553
|
698
|
740
|
| 10. | 454 + 322 = |
950
|
960
|
788
|
776
|
| 11. | 419 + 225 = |
644
|
678
|
902
|
746
|
| 12. | 327 + 109 = |
330
|
407
|
436
|
247
|