Erbijsommen t/m 1.000
Optellen
| 1. | 411 + 219 = |
655
|
807
|
681
|
630
|
| 2. | 425 + 373 = |
926
|
821
|
798
|
582
|
| 3. | 407 + 171 = |
578
|
592
|
516
|
887
|
| 4. | 279 + 203 = |
467
|
397
|
482
|
374
|
| 5. | 469 + 364 = |
562
|
833
|
977
|
756
|
| 6. | 266 + 142 = |
236
|
487
|
380
|
408
|
| 7. | 395 + 303 = |
540
|
966
|
698
|
647
|
| 8. | 413 + 252 = |
548
|
504
|
665
|
903
|
| 9. | 461 + 124 = |
766
|
585
|
805
|
645
|
| 10. | 323 + 262 = |
650
|
808
|
585
|
871
|
| 11. | 265 + 195 = |
460
|
496
|
307
|
240
|
| 12. | 346 + 134 = |
229
|
480
|
377
|
225
|