Erbijsommen t/m 1.000
Optellen
| 1. | 312 + 242 = |
580
|
897
|
554
|
758
|
| 2. | 307 + 144 = |
396
|
451
|
238
|
206
|
| 3. | 418 + 154 = |
572
|
854
|
929
|
666
|
| 4. | 377 + 245 = |
789
|
828
|
505
|
622
|
| 5. | 433 + 345 = |
568
|
778
|
944
|
900
|
| 6. | 489 + 428 = |
825
|
917
|
566
|
989
|
| 7. | 408 + 261 = |
669
|
631
|
597
|
671
|
| 8. | 435 + 401 = |
552
|
934
|
928
|
836
|
| 9. | 253 + 236 = |
489
|
400
|
242
|
225
|
| 10. | 295 + 119 = |
414
|
325
|
302
|
322
|
| 11. | 335 + 321 = |
995
|
902
|
692
|
656
|
| 12. | 488 + 339 = |
827
|
519
|
686
|
540
|