Erbijsommen t/m 1.000
Optellen
| 1. | 481 + 407 = |
888
|
917
|
885
|
672
|
| 2. | 405 + 233 = |
604
|
733
|
638
|
925
|
| 3. | 416 + 322 = |
738
|
669
|
554
|
820
|
| 4. | 375 + 171 = |
563
|
853
|
546
|
993
|
| 5. | 301 + 127 = |
488
|
428
|
333
|
221
|
| 6. | 317 + 119 = |
444
|
303
|
436
|
417
|
| 7. | 313 + 193 = |
506
|
699
|
913
|
937
|
| 8. | 191 + 115 = |
306
|
464
|
392
|
359
|
| 9. | 486 + 265 = |
583
|
858
|
751
|
781
|
| 10. | 437 + 382 = |
769
|
754
|
844
|
819
|
| 11. | 296 + 124 = |
362
|
230
|
314
|
420
|
| 12. | 387 + 335 = |
722
|
527
|
627
|
793
|