Erbijsommen t/m 1.000
Optellen
| 1. | 367 + 269 = |
764
|
839
|
828
|
636
|
| 2. | 313 + 148 = |
356
|
296
|
370
|
461
|
| 3. | 231 + 128 = |
275
|
359
|
371
|
247
|
| 4. | 489 + 156 = |
645
|
600
|
729
|
723
|
| 5. | 233 + 188 = |
400
|
226
|
454
|
421
|
| 6. | 346 + 273 = |
831
|
800
|
965
|
619
|
| 7. | 385 + 115 = |
387
|
337
|
500
|
275
|
| 8. | 177 + 163 = |
298
|
439
|
354
|
340
|
| 9. | 356 + 127 = |
483
|
308
|
219
|
434
|
| 10. | 477 + 183 = |
726
|
678
|
660
|
776
|
| 11. | 401 + 284 = |
943
|
714
|
516
|
685
|
| 12. | 312 + 229 = |
726
|
608
|
541
|
676
|