Erbijsommen t/m 1.000
Optellen
| 1. | 455 + 452 = |
686
|
800
|
882
|
907
|
| 2. | 289 + 134 = |
276
|
238
|
423
|
221
|
| 3. | 141 + 137 = |
294
|
234
|
278
|
216
|
| 4. | 398 + 290 = |
657
|
997
|
996
|
688
|
| 5. | 330 + 119 = |
449
|
436
|
379
|
317
|
| 6. | 419 + 128 = |
793
|
547
|
758
|
899
|
| 7. | 392 + 298 = |
949
|
817
|
690
|
708
|
| 8. | 185 + 176 = |
361
|
491
|
476
|
222
|
| 9. | 419 + 180 = |
732
|
876
|
636
|
599
|
| 10. | 396 + 215 = |
611
|
596
|
961
|
979
|
| 11. | 315 + 177 = |
492
|
268
|
306
|
399
|
| 12. | 472 + 340 = |
812
|
521
|
720
|
716
|