Erbijsommen t/m 1.000
Optellen
| 1. | 359 + 111 = |
276
|
470
|
437
|
419
|
| 2. | 359 + 131 = |
362
|
333
|
490
|
251
|
| 3. | 391 + 368 = |
980
|
759
|
693
|
607
|
| 4. | 238 + 112 = |
350
|
475
|
469
|
344
|
| 5. | 283 + 238 = |
663
|
521
|
732
|
808
|
| 6. | 278 + 158 = |
284
|
436
|
478
|
422
|
| 7. | 214 + 170 = |
384
|
373
|
391
|
306
|
| 8. | 235 + 215 = |
245
|
450
|
461
|
476
|
| 9. | 231 + 228 = |
500
|
459
|
463
|
272
|
| 10. | 497 + 342 = |
625
|
922
|
557
|
839
|
| 11. | 439 + 251 = |
690
|
508
|
792
|
836
|
| 12. | 373 + 313 = |
813
|
540
|
686
|
850
|