Erbijsommen t/m 1.000
Optellen
| 1. | 432 + 283 = |
749
|
715
|
848
|
979
|
| 2. | 355 + 157 = |
907
|
891
|
512
|
619
|
| 3. | 281 + 228 = |
929
|
945
|
765
|
509
|
| 4. | 378 + 132 = |
849
|
510
|
709
|
946
|
| 5. | 292 + 115 = |
278
|
301
|
363
|
407
|
| 6. | 306 + 166 = |
265
|
253
|
472
|
243
|
| 7. | 392 + 216 = |
608
|
624
|
650
|
641
|
| 8. | 261 + 204 = |
273
|
465
|
204
|
437
|
| 9. | 290 + 248 = |
966
|
808
|
538
|
633
|
| 10. | 224 + 183 = |
407
|
371
|
410
|
227
|
| 11. | 472 + 108 = |
583
|
638
|
584
|
580
|
| 12. | 213 + 171 = |
384
|
396
|
458
|
234
|