Erbijsommen t/m 1.000
Optellen
| 1. | 180 + 142 = |
322
|
301
|
382
|
310
|
| 2. | 428 + 406 = |
666
|
834
|
549
|
520
|
| 3. | 390 + 194 = |
529
|
787
|
754
|
584
|
| 4. | 254 + 250 = |
671
|
803
|
504
|
576
|
| 5. | 330 + 228 = |
844
|
558
|
630
|
801
|
| 6. | 443 + 141 = |
584
|
677
|
609
|
611
|
| 7. | 335 + 145 = |
262
|
428
|
418
|
480
|
| 8. | 316 + 139 = |
429
|
337
|
299
|
455
|
| 9. | 359 + 167 = |
785
|
808
|
885
|
526
|
| 10. | 334 + 200 = |
570
|
720
|
584
|
534
|
| 11. | 368 + 101 = |
469
|
363
|
466
|
463
|
| 12. | 395 + 213 = |
554
|
608
|
750
|
929
|