Erbijsommen t/m 1.000
Optellen
| 1. | 241 + 226 = |
392
|
363
|
467
|
473
|
| 2. | 442 + 244 = |
765
|
604
|
958
|
686
|
| 3. | 226 + 145 = |
416
|
371
|
377
|
374
|
| 4. | 238 + 215 = |
444
|
453
|
455
|
259
|
| 5. | 497 + 254 = |
696
|
986
|
751
|
542
|
| 6. | 388 + 142 = |
607
|
738
|
530
|
714
|
| 7. | 321 + 279 = |
621
|
846
|
600
|
968
|
| 8. | 384 + 220 = |
674
|
563
|
716
|
604
|
| 9. | 335 + 146 = |
217
|
445
|
476
|
481
|
| 10. | 239 + 171 = |
264
|
205
|
410
|
288
|
| 11. | 340 + 265 = |
812
|
605
|
760
|
549
|
| 12. | 493 + 417 = |
712
|
970
|
910
|
879
|