Erbijsommen t/m 1.000
Optellen
| 1. | 318 + 298 = |
653
|
957
|
616
|
684
|
| 2. | 385 + 143 = |
998
|
587
|
788
|
528
|
| 3. | 485 + 290 = |
539
|
775
|
705
|
693
|
| 4. | 446 + 381 = |
659
|
536
|
821
|
827
|
| 5. | 218 + 119 = |
224
|
229
|
337
|
440
|
| 6. | 271 + 157 = |
428
|
321
|
345
|
434
|
| 7. | 361 + 193 = |
576
|
554
|
568
|
685
|
| 8. | 489 + 159 = |
948
|
711
|
648
|
532
|
| 9. | 462 + 296 = |
904
|
758
|
648
|
979
|
| 10. | 477 + 101 = |
842
|
769
|
653
|
578
|
| 11. | 231 + 145 = |
322
|
272
|
275
|
376
|
| 12. | 201 + 109 = |
310
|
206
|
344
|
372
|