Erbijsommen t/m 1.000
Optellen
| 1. | 191 + 160 = |
416
|
351
|
377
|
273
|
| 2. | 484 + 301 = |
744
|
807
|
785
|
995
|
| 3. | 409 + 381 = |
720
|
611
|
790
|
647
|
| 4. | 365 + 346 = |
864
|
602
|
711
|
807
|
| 5. | 416 + 395 = |
587
|
547
|
811
|
816
|
| 6. | 358 + 212 = |
621
|
986
|
570
|
630
|
| 7. | 228 + 201 = |
481
|
485
|
429
|
250
|
| 8. | 326 + 238 = |
887
|
713
|
564
|
924
|
| 9. | 286 + 168 = |
384
|
212
|
248
|
454
|
| 10. | 404 + 339 = |
659
|
691
|
743
|
633
|
| 11. | 254 + 144 = |
249
|
211
|
390
|
398
|
| 12. | 427 + 259 = |
743
|
686
|
506
|
540
|